--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gsm-fw/g23m-gsm/mm/mm_mms.c	Sun Sep 28 23:20:04 2014 +0000
@@ -0,0 +1,2370 @@
+/* 
++----------------------------------------------------------------------------- 
+|  Project :  GSM-PS (8410)
+|  Modul   :  MM_FORP
++----------------------------------------------------------------------------- 
+|  Copyright 2002 Texas Instruments Berlin, AG 
+|                 All rights reserved. 
+| 
+|                 This file is confidential and a trade secret of Texas 
+|                 Instruments Berlin, AG 
+|                 The receipt of or possession of this file does not convey 
+|                 any rights to reproduce or disclose its contents or to 
+|                 manufacture, use, or sell anything it may describe, in 
+|                 whole, or in part, without the specific written consent of 
+|                 Texas Instruments Berlin, AG. 
++----------------------------------------------------------------------------- 
+|  Purpose :  This Modul defines the functions for the mob. management
+|             capability of the module Mobility Managemant.
++----------------------------------------------------------------------------- 
+*/ 
+
+#ifndef MM_MMS_C
+#define MM_MMS_C
+
+#define ENTITY_MM
+
+/*==== INCLUDES ===================================================*/
+#if defined (NEW_FRAME)
+
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include "typedefs.h"
+#include "pcm.h"
+#include "pconst.cdg"
+#include "mconst.cdg"
+#include "message.h"
+#include "ccdapi.h"
+#include "vsi.h"
+#include "custom.h"
+#include "gsm.h"
+#include "prim.h"
+#include "cnf_mm.h"
+#include "mon_mm.h"
+#include "pei.h"
+#include "tok.h"
+#include "mm.h"
+#include "mm_em.h"
+
+#else
+
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include "stddefs.h"
+#include "pcm.h"
+#include "pconst.cdg"
+#include "mconst.cdg"
+#include "message.h"
+#include "ccdapi.h"
+#include "custom.h"
+#include "gsm.h"
+#include "prim.h"
+#include "cnf_mm.h"
+#include "mon_mm.h"
+#include "vsi.h"
+#include "pei.h"
+#include "tok.h"
+#include "mm.h"
+#include "mm_em.h"
+
+#endif
+
+/*==== EXPORT =====================================================*/
+
+/*==== PRIVAT =====================================================*/
+
+/*==== TEST =====================================================*/
+
+/*==== VARIABLES ==================================================*/
+/* added by TISH 0418 to write simloci to FFS */
+extern T_loc_info                loc_info_ffs;
+extern T_imsi_struct      imsi_in_ffs;
+/* added by TISH 0418 to write simloci to FFS */
+
+/*==== FUNCTIONS ==================================================*/
+
+LOCAL void mm_send_rr_data_ind          (T_RR_DATA_IND        *rr_data_ind,
+                                         UBYTE                 comp,
+                                         T_PRIM_TYPE           snd_prim_type);
+LOCAL void mm_cpy_net_name              (T_full_net_name      *net_name,
+                                         T_full_name          *name,
+                                         UBYTE                 v_net_name);
+
+/*
+ * -------------------------------------------------------------------
+ * SIGNAL Processing functions
+ * -------------------------------------------------------------------
+ */
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_store_tmsi              |
++--------------------------------------------------------------------+
+
+  PURPOSE : Convert the mobile identity to the internal TMSI
+            representation.
+
+*/
+
+LOCAL void mm_store_tmsi (const T_mob_id *moi)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_store_tmsi()");
+
+  mm_data->reg.tmsi =
+    (((ULONG)moi->tmsi.b_tmsi[0]) << 24) +
+    (((ULONG)moi->tmsi.b_tmsi[1]) << 16) +
+    (((ULONG)moi->tmsi.b_tmsi[2]) <<  8) +
+      (ULONG)moi->tmsi.b_tmsi[3];
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_abort                   |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal ABORT.
+            The abort procedure may be invoked by the network to abort any
+            on-going MM connection establishment or already established MM 
+            connection. The mobile station shall treat ABORT message as 
+            compatible with current protocol state only if it is received 
+            when at least one MM connection exists or an MM connection is 
+            being established. [GSM 04.08 clause 4.3.5]
+
+*/
+
+GLOBAL void mm_abort (T_D_ABORT *d_abort)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_abort()");
+
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+      TIMERSTOP (T3230);
+      /*FALLTHROUGH*/
+      //lint -fallthrough
+    case MM_WAIT_FOR_NW_CMD:
+
+      mm_data->rej_cause = CAUSE_MAKE (DEFBY_STD, 
+                                       ORIGSIDE_NET,
+                                       MM_CAUSE,
+                                       d_abort->rej_cause);
+
+      if (mm_get_service_state () NEQ MM_IDLE_LIMITED_SERVICE)
+      {
+          /* 
+           * T3212 is stopped if the first MM message is received, or 
+           * ciphering mode setting is completed in the case of MM 
+           * connection establishment, except when the most recent service 
+           * state is LIMITED SERVICE. [GSM 04.08 subclause 4.4.2]
+           */
+        TIMERSTOP (T3212); 
+        mm_data->t3212_timeout = FALSE; 
+      }
+
+      switch (mm_data->rej_cause)
+      {
+        case MMCS_NETWORK_FAILURE:
+          mm_mmxx_rel_ind (RC_NETWORK_FAILURE, CM_NOT_IDLE);
+          break;
+        case MMCS_ILLEGAL_ME:
+          /*
+           * "At the receipt of the ABORT message the mobile station shall
+           * abort any MM connection establishment or call re-establishment
+           * procedure and release all MM connections (if any).
+           * If cause value #6 is received the mobile station shall
+           * delete any TMSI, LAI and ciphering key sequence number stored
+           * in the SIM, set the update status to ROAMING NOT ALLOWED (and
+           * store it in the SIM according to section 4.1.2.2) and consider
+           * the SIM invalid until switch off or the SIM is removed.
+           * As a consequence the mobile station enters state MM IDLE,
+           * substate NO IMSI after the release of the RR connection.
+           * The mobile station shall then wait for the network to release
+           * the RR connection - see section 4.5.3.1." [GSM 04.08 4.3.5]
+           */
+          /* Release all connections with appropriate cause */
+          mm_mmxx_rel_ind (mm_data->rej_cause, CM_NOT_IDLE);
+           /* Inform RR about loss of registration until power cycle */
+          mm_build_rr_sync_req_cause (SYNCCS_TMSI_CKSN_KC_INVAL_NO_PAG);
+           /* Delete registration data and update SIM */
+#ifdef REL99
+          reg_invalidate_upd_state (MS_LA_NOT_ALLOWED, FALSE);
+#else
+          reg_invalidate_upd_state (MS_LA_NOT_ALLOWED);
+#endif
+           /* Delete IMSI - consider SIM as invalid */
+          mm_clear_mob_ident (&mm_data->reg.imsi_struct);
+          mm_clear_reg_data ();
+           /* Remember limited service cause for MMI information */
+          mm_data->limited_cause = mm_data->rej_cause;
+           // Debug patch >>>
+          if (mm_data->mm_idle_no_imsi_marker EQ 0)
+            mm_data->mm_idle_no_imsi_marker = 23;
+          // Debug patch <<<
+
+          break;
+        default:
+          break;
+      }
+      TIMERSTART (T3240, T_3240_VALUE);
+      SET_STATE (STATE_MM, MM_WAIT_FOR_NW_CMD);
+      break;
+
+    case MM_LUP_REJECTED:
+    case MM_LUP_INITIATED:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+      mm_for_set_error (RC_MESSAGE_INCOMPAT);
+      break;
+
+    default:    
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_auth_rej                |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal AUTH_REJ.
+
+*/
+
+GLOBAL void mm_auth_rej (void)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_auth_rej()");
+
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_LUP_INITIATED:
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_NW_CMD:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+        /* 
+         * Upon receipt of an AUTHENTICATION REJECT message, 
+         * the mobile station shall set the update status in the SIM to
+         * U2 ROAMING NOT ALLOWED, delete from the SIM the stored TMSI, 
+         * LAI and ciphering key sequence number.
+         * The SIM shall be considered as invalid until switching off 
+         * or the SIM is removed. 
+         * If the AUTHENTICATION REJECT message is received in the state
+         * IMSI DETACH INITIATED the mobile station shall follow
+         * section 4.3.4.3. [Means: Ignore it].
+         * If the AUTHENTICATION REJECT message is received in any other
+         * state the mobile station shall abort any MM specific, MM connection
+         * establishment or call re-establishment procedure, stop any of the 
+         * timers T3210 or T3230 (if running), release all MM connections 
+         * (if any), start timer T3240 and enter the state WAIT FOR NETWORK
+         * COMMAND, expecting the release of the RR connection. If the RR 
+         * connection is not released within a given time controlled by the
+         * timer T3240, the mobile station shall abort the RR connection. 
+         * In both cases, either after a RR connection release triggered from
+         * the network side or after a RR connection abort requested by the
+         * MS-side, the MS enters state MM IDLE, substate NO IMSI. 
+         * [GSM 04.08 subclause 4.3.2.5]
+         */
+
+        mm_mmxx_rel_ind (MMCS_AUTHENTICATION_REJECTED, CM_NOT_IDLE);
+
+        /* 
+         * T3212 is stopped if an AUTHENTICATION REJECT message 
+         * is received [GSM 04.08 subclause 4.4.2]
+         */
+        TIMERSTOP (T3212); 
+        mm_data->t3212_timeout = FALSE;
+
+        TIMERSTOP (T3210);
+        TIMERSTOP (T3211);
+        TIMERSTOP (T3230);
+
+        // As this will set later MM_IDLE_NO_IMSI_STATE, we will remember
+        mm_data->mm_idle_no_imsi_marker = 129;
+
+        /* 
+         * Upon receipt of an AUTHENTICATION REJECT message, the mobile station 
+         * shall set the update status in the SIM to U2 ROAMING NOT ALLOWED, 
+         * delete from the SIM the stored TMSI, LAI and ciphering key sequence 
+         * number. [GSM 04.08 subclause 4.3.2.5]
+         */
+
+        /* Inform RR about the invalidation of the SIM */
+        mm_build_rr_sync_req_cause (SYNCCS_TMSI_CKSN_KC_INVAL_NO_PAG);
+
+        /* Invalidate the SIM in MM until switch off and inform the SIM */
+#ifdef REL99
+        reg_invalidate_upd_state (MS_LA_NOT_ALLOWED, FALSE);
+#else
+        reg_invalidate_upd_state (MS_LA_NOT_ALLOWED);
+#endif
+
+        /* Invalidate SIM data after indirect call to reg_build_sim_update() */
+        mm_clear_mob_ident (&mm_data->reg.imsi_struct);
+        mm_clear_reg_data ();
+
+        /* Remember limited service reason for MMI information */
+        mm_data->limited_cause = MMCS_AUTHENTICATION_REJECTED;
+
+        /* Delete EPLMN list */
+        if (reg_clear_plmn_list (mm_data->reg.eqv_plmns.eqv_plmn_list, EPLMNLIST_SIZE))
+          mm_build_rr_sync_req_cause (SYNCCS_EPLMN_LIST);
+
+#ifdef GPRS
+        /* 
+         * Notify GMM about the AUTHENTICATION REJECT, not regarding whether 
+         * it is active or not. For details, see GSM 04.08 subclause 4.1.1.2.
+         */
+        mm_mmgmm_auth_rej_ind ();
+#endif
+#ifdef REL99
+       /*Stop timer t3241 if it is ruuning.
+        *As per the spec 24.008, Timer T3241 is stopped and reset (but not started)
+        *when the MM state RR CONNECTION RELEASE NOT ALLOWED is left.
+        */
+        TIMERSTOP(T3241);
+#endif
+        /* Enter state MM_WAIT_FOR_NW_CMD */
+        TIMERSTART (T3240, T_3240_VALUE);
+        SET_STATE (STATE_MM, MM_WAIT_FOR_NW_CMD);
+
+        EM_AUTHENTICATION(EM_REJECT);
+ 
+      break;
+
+    case MM_LUP_REJECTED:
+      {
+      mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      }
+      break;
+
+    default:                                              
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_auth_req                |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal AUTH_REQ.
+
+*/
+
+GLOBAL void mm_auth_req (T_D_AUTH_REQ *auth_req)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_auth_req()");
+
+  switch (GET_STATE (STATE_MM))
+  {
+    
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_WAIT_FOR_NW_CMD:
+      {
+        if ( mm_data->idle_substate EQ MM_IDLE_NO_IMSI )
+        {
+          mm_for_set_error(  RC_MESSAGE_TYPE_INCOMPAT );
+          break;
+        }
+
+      }
+      /*Fall Through*/
+
+    case MM_LUP_INITIATED:
+    case MM_PROCESS_PROMPT:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+      {
+        PALLOC (sim_auth_req, SIM_AUTHENTICATION_REQ);
+        TIMERSTOP (T3211);
+        
+        if (mm_get_service_state () NEQ MM_IDLE_LIMITED_SERVICE)
+        {
+          /* 
+           * T3212 is stopped if the first MM message is received, or 
+           * ciphering mode setting is completed in the case of MM 
+           * connection establishment, except when the most recent service 
+           * state is LIMITED SERVICE. [GSM 04.08 subclause 4.4.2]
+           */
+          TIMERSTOP (T3212); 
+          mm_data->t3212_timeout = FALSE; 
+        }
+
+        TIMERSTOP (T3213);
+        mm_data->t3213_restart = 0;
+        mm_data->reg.cksn = auth_req->ciph_key_num.key_seq;
+        memcpy (sim_auth_req, auth_req,
+                sizeof (T_SIM_AUTHENTICATION_REQ));
+        reg_mmr_auth_ind (sim_auth_req);
+        if (TIMERACTIVE(T3240))
+        {
+          TIMERSTOP (T3240);
+          TIMERSTART (T3240, T_3240_VALUE);
+        }
+
+        EM_AUTHENTICATION(EM_REQUEST);
+
+      }
+      break;
+    
+    case MM_LUP_REJECTED:
+    {
+      mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      break;
+    }
+    default:                                              
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_cm_message              |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal CM_MESSAGE. Normally, this means
+            that a L3 message which is for one of the CM entities 
+            is forwarded to the appropriate CM entity, either as 
+            MMXX_ESTABLISH_IND or MMXX_DATA_IND.
+            The following can be assumed to be true:
+            PD is either PD_CC, PD_SS or PD_SMS.
+            The ti has already been transformed by the formatter into 
+            the range 0..6 for mobile originated transactions and 
+            the range 8..14 for mobile terminated transactions.
+
+*/
+
+GLOBAL void mm_cm_message (UBYTE     pd,
+                           UBYTE     ti,
+                           T_RR_DATA_IND *rr_data_ind)
+{
+  GET_INSTANCE_DATA;
+  UBYTE        comp;
+
+  TRACE_FUNCTION ("mm_cm_message()");
+
+  switch (pd)
+  {
+    case PD_CC:
+      comp = CC_COMP;
+      break;
+    case PD_SS:
+      comp = SS_COMP;
+      break;
+    case PD_SMS:
+      comp = SMS_COMP;
+      break;
+    default:
+      PFREE (rr_data_ind);
+      return;
+  }
+
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_NW_CMD:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+      switch (CM_GET_STATE (comp, ti))
+      {
+        case CM_IDLE:
+          CM_SET_STATE (comp, ti, CM_ACTIVE);
+          mm_send_rr_data_ind(rr_data_ind, comp, PRIM_EST_IND);
+          
+          TIMERSTOP (T3211);
+          TIMERSTOP (T3213);
+          mm_data->t3213_restart = 0;
+          TIMERSTOP (T3240);
+#ifdef REL99
+         /*Stop timer t3241 if it is ruuning.
+          *As per the spec 24.008, Timer T3241 is stopped and reset (but not started)
+          *when the MM state RR CONNECTION RELEASE NOT ALLOWED is left.
+          */
+          TIMERSTOP(T3241);
+#endif
+
+          /* 
+           * T3212 is stopped if the mobile station has responded to paging
+           * and thereafter has received the first correct layer 3 message 
+           * except RR message. [GSM 04.08 subclause 4.4.2]
+           */
+          TIMERSTOP (T3212); 
+          mm_data->t3212_timeout = FALSE; 
+
+          SET_STATE (STATE_MM, MM_CONN_ACTIVE);
+          USE_STORED_ENTRIES();
+          break;
+
+        case CM_PENDING:
+          /*
+           * The connection is pending, and instead of MMXX_ESTABLISH_CNF
+           * the CM entity receives MMXX_ESTABLISH_IND. No state change 
+           * in the connection table is performed.
+           * The special problem which was intended to solve here 
+           * was to pass multilayer testcase MCC 100.
+           * Problem: From which GSM 11.10 testcase is MCC 100 derived?
+           * A transaction which is mobile originated has assigned ti=0..6 
+           * here, a transactions which is mobile terminated has assigned
+           * ti=8..14 here. 
+           *  => It is impossible to have a MMXX_ESTABLISH_IND for a pending
+           *     connection with a correctly working network.
+           */ 
+          TIMERSTOP (T3213);
+          mm_data->t3213_restart = 0;
+          TIMERSTOP (T3240);
+          mm_send_rr_data_ind(rr_data_ind, comp, PRIM_EST_IND);
+
+          /* 
+           * T3212 is stopped if the mobile station has responded to paging
+           * and thereafter has received the first correct layer 3 message 
+           * except RR message. [GSM 04.08 subclause 4.4.2]
+           */
+          TIMERSTOP (T3212); 
+          mm_data->t3212_timeout = FALSE; 
+          break; /* case CM_PENDING */
+
+        case CM_ACTIVE:
+          TIMERSTOP (T3213);
+          mm_data->t3213_restart = 0;
+          TIMERSTOP (T3240);
+          mm_send_rr_data_ind(rr_data_ind, comp, PRIM_DATA_IND);
+          break; /* case CM_ACTIVE */
+
+        default:
+          {
+/* Implements Measure 29 and streamline encoding */
+            mm_send_status(RC_IDENTIFIY);
+          }
+          PFREE (rr_data_ind);
+          break;
+      }
+      break;
+    
+    case MM_LUP_REJECTED: 
+    case MM_LUP_INITIATED:
+      {
+        mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      }
+      PFREE (rr_data_ind);
+      break;
+
+    default:
+      PFREE (rr_data_ind);
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_cm_serv_accept          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal CM_SERV_ACCEPT.
+
+*/
+
+GLOBAL void mm_cm_serv_accept (void)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_cm_serv_accept()");
+
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_WAIT_FOR_REESTABLISH:
+    case MM_LUP_INITIATED:
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_WAIT_FOR_NW_CMD:
+      if (mm_data->wait_for_accept)
+      {
+        mm_mmxx_est_cnf ();
+
+        /* 
+         * Ensure we are not fooled by a forgotten reset of the location 
+         * updating type, so check also the service state. Should not 
+         * be necessary for a perfect world.
+         */
+        if (mm_data->idle_substate NEQ MM_IDLE_LIMITED_SERVICE AND
+            mm_data->idle_substate NEQ MM_IDLE_NO_IMSI AND
+            (mm_data->loc_upd_type.lut EQ PERIODIC_LUP OR 
+             mm_data->loc_upd_type.lut EQ IMSI_ATTACH_LUP))
+        {        
+          /* 
+           * Implicit location updating accept for periodic or 
+           * IMSI attach location updating request.
+           * This cannot be found in GSM 04.08, 
+           * but otherwise GSM 11.10 26.7.4.3.4 would fail.
+           * For details, see GSM 11.10 subclause 26.7.4.3.4.1
+           * 1.) and 2.)
+           */
+          mm_data->loc_upd_type.lut = NOT_RUNNING;
+
+          if (mm_data->first_attach)
+          {
+            mm_data->first_attach_mem = mm_data->first_attach;
+            mm_data->first_attach = FALSE;
+          }
+#ifdef GPRS
+          if (!mm_gsm_alone())
+            mm_data->gprs.reg_cnf_on_idle_entry = TRUE;
+#endif /* GPRS */
+          reg_mm_success (FULL_SERVICE);
+        }
+        
+        if (mm_get_service_state () NEQ MM_IDLE_LIMITED_SERVICE)
+        {
+          /* 
+           * T3212 is stopped if the first MM message is received, or 
+           * ciphering mode setting is completed in the case of MM 
+           * connection establishment, except when the most recent service 
+           * state is LIMITED SERVICE. [GSM 04.08 subclause 4.4.2]
+           */
+          TIMERSTOP (T3212); 
+          mm_data->t3212_timeout = FALSE; 
+        }
+
+        TIMERSTOP (T3211);
+        TIMERSTOP (T3213);
+        mm_data->t3213_restart = 0;
+        TIMERSTOP (T3230);
+        mm_data->wait_for_accept = FALSE;
+        SET_STATE (STATE_MM, MM_CONN_ACTIVE);
+        
+        EM_CM_SERVICE_ACCEPTED(EM_CIPHERING); 
+
+        USE_STORED_ENTRIES();
+      }
+      else
+      {
+        /* CM_SERV_ACCEPT not expected, send MM_STATUS */
+        mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      }
+      break;
+
+    case MM_PROCESS_PROMPT:
+    case MM_LUP_REJECTED:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+      /* CM_SERV_ACCEPT not expected, send MM_STATUS */
+      mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      break;
+
+    default:                                              
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_cm_serv_rej             |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal CM_SERV_REJ.
+
+*/
+
+GLOBAL void mm_cm_serv_rej (T_D_CM_SERV_REJ *cm_serv_rej)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_cm_serv_rej()");
+
+  /* Semantical checks and preprocessing */
+  cm_serv_rej->rej_cause = for_check_reject_cause (cm_serv_rej->rej_cause);
+
+  TRACE_EVENT_P1 ("CM_SERV_REJ cause = %d", cm_serv_rej->rej_cause);
+
+  /* 
+   * The behaviour is described in GSM 04.08 subclause 4.5.1.1
+   * For further details, see this recommendation.
+   */
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_WAIT_FOR_REESTABLISH:
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+        if (mm_get_service_state () NEQ MM_IDLE_LIMITED_SERVICE)
+        {
+          /* 
+           * T3212 is stopped if the first MM message is received, or 
+           * ciphering mode setting is completed in the case of MM 
+           * connection establishment, except when the most recent service 
+           * state is LIMITED SERVICE. [GSM 04.08 subclause 4.4.2]
+           */
+          TIMERSTOP (T3212); 
+          mm_data->t3212_timeout = FALSE; 
+        }
+
+        TIMERSTOP (T3211);
+        TIMERSTOP (T3213);
+        mm_data->t3213_restart = 0;
+
+        /* T3230 stopped on reception of CM_SERV_REJ or CM_SERV_ACC */
+        TIMERSTOP (T3230);
+
+        mm_data->rej_cause = CAUSE_MAKE (DEFBY_STD,
+                                         ORIGSIDE_NET,
+                                         MM_CAUSE,
+                                         cm_serv_rej->rej_cause);
+        switch (mm_data->rej_cause)
+        {
+          case MMCS_IMSI_IN_VLR:
+            /*
+             * CM SERVICE REJECT by the network, cause #4: For some
+             * reason the IMSI is not attached in the VLR. This may happen 
+             * if there was a failure in the VLR's database.
+             * This is expected to happen seldom.
+             * GSM 11.10 subclause 26.7.5.5 doesn't expect that a call is saved 
+             * and established is performed later in this condition. Choosing this 
+             * implementation option complicates the protocol here too much.
+             * (danger of introducing bugs, especially if GPRS is also present)
+             * The next thing to do is a NORMAL UPDATE.
+             */
+
+
+            /* 
+             * If cause value #4 is received, the mobile station aborts any 
+             * MM connection, deletes any TMSI, LAI and ciphering key 
+             * sequence number in the SIM, changes the update status to 
+             * NOT UPDATED (and stores it in the SIM according to section
+             * 4.1.2.2), and enters the MM sublayer state WAIT FOR NETWORK 
+             * COMMAND. If subsequently the RR connection is released or 
+             * aborted, this will force the mobile station to initiate a 
+             * normal location updating). Whether the CM request shall be 
+             * memorized during the location updating procedure, is a
+             * choice of implementation.
+             * [GSM 04.08 subclause 4.5.1.1]
+             */
+
+            /* Indicate connection release to CM */
+            mm_mmxx_rel_ind (mm_data->rej_cause, CM_NOT_IDLE);
+
+            /* Invalidate update state and synchronize SIM */
+#ifdef REL99
+            reg_invalidate_upd_state (MS_NOT_UPDATED, FALSE);
+#else
+            reg_invalidate_upd_state (MS_NOT_UPDATED);
+#endif
+
+            /* Invalidate TMSI in RR and lower layers */
+            mm_build_rr_sync_req_cause (SYNCCS_TMSI_CKSN_KC_INVAL);
+
+            /* 
+             * Ensure that the conditions are set in a way that after release
+             * of the RR connection a normal update will be performed.
+             */
+            mm_data->attempt_cnt = 0;
+            mm_data->loc_upd_type.lut = NORMAL_LUP;
+
+            /* Await network release in state MM_WAIT_FOR_NW_CMD */
+            TIMERSTART (T3240, T_3240_VALUE);
+            SET_STATE (STATE_MM, MM_WAIT_FOR_NW_CMD);
+            break;
+
+          case MMCS_ILLEGAL_ME:
+            /* 
+             * If cause value #6 is received, the mobile station aborts any 
+             * MM connection, deletes any TMSI, LAI and ciphering key sequence
+             * number in the SIM, changes the update status to ROAMING NOT 
+             * ALLOWED (and stores it in the SIM according to section 
+             * 4.1.2.2), and enters the MM sublayer state WAIT FOR NETWORK
+             * COMMAND. The mobile station shall consider the SIM as invalid
+             * until switch-off or the SIM is removed.
+             * [GSM 04.08 subclause 4.5.1.1]
+             */
+
+            /* Indicate connection release to CM */
+            mm_mmxx_rel_ind (mm_data->rej_cause, CM_PENDING);
+
+            /* Invalidate update state and synchronize SIM */
+#ifdef REL99
+            reg_invalidate_upd_state (MS_LA_NOT_ALLOWED, FALSE);
+#else
+            reg_invalidate_upd_state (MS_LA_NOT_ALLOWED);
+#endif
+
+            /* Delete IMSI - consider SIM as invalid */
+            mm_clear_mob_ident (&mm_data->reg.imsi_struct);
+            mm_clear_reg_data ();
+
+            /* Inform RR about loss of registration until power cycle */
+            mm_build_rr_sync_req_cause (SYNCCS_TMSI_CKSN_KC_INVAL_NO_PAG);
+
+            /* Remember limited service cause for MMI information */
+            mm_data->limited_cause = mm_data->rej_cause;
+
+            // Debug patch >>>
+            if (mm_data->mm_idle_no_imsi_marker EQ 0)
+              mm_data->mm_idle_no_imsi_marker = 6;
+            // Debug patch <<<
+
+            TIMERSTART (T3240, T_3240_VALUE);
+            SET_STATE (STATE_MM, MM_WAIT_FOR_NW_CMD);
+            break;
+
+          default:
+            /* 
+             * Pending connections are only expected 
+             * in state MM_CONN_ACTIVE if mm_data->wait_for_accept.
+             */
+            mm_data->wait_for_accept = FALSE;
+            if ((GET_STATE (STATE_MM) EQ MM_CONN_ACTIVE) AND
+                (mm_count_connections (CM_ACTIVE) EQ 0))
+            {
+              /*
+               * Special clash case.
+               * Seen in field for the SMS protocol when test engineers are
+               * sending SMS like crazy to themselfes, using scripts.
+               * For the CC protocol the following scenario is probably to 
+               * happen, for SMS this must be something analogous:
+               * The MS sent the RELEASE message via the air interface to 
+               * the network. The MSC receives this RELEASE message and 
+               * sends the RELEASE_COMPLETE to the MS via the BSS and the 
+               * CLEAR COMMAND message to the BSC in one single transaction.
+               * Now we have a pending clearance of the assigned radio 
+               * resources. For details see "GSM Signalisierung", page 246.
+               * If there is in this situation a CM SERVICE REQUEST is 
+               * received at the MSC this cannot be accepted as the
+               * clearance of the assigned radio resources are underway,
+               * so the MSC answers with a CM_SERVICE_REJECT.
+               * The only thing which can be done here is to repeat the 
+               * CM_SERVICE_REQ besides the specification after entering
+               * IDLE stateto make the protocol bullet proof.
+               */
+              TRACE_EVENT ("CM_SERV_REQ clashed with CLR_CMD");
+              mm_write_entry (mm_data->pend_conn.comp,
+                              mm_data->pend_conn.ti,
+                              mm_data->pend_conn.cause,
+                              EVENT_ENTRY,
+                              NULL, 
+                              UNSPEC);
+#if defined (FF_EOTD) AND defined (REL99)
+              /*
+               *If there is no MM connection & rrlp is started, start the timer3241
+               *and move MM to state MM_RR_CONN_RELEASE_NOT_ALLOWED
+               */
+              if(mm_data->rrlp_lcs_started EQ TRUE)
+              {
+                TIMERSTART(T3241,T_3241_VALUE);
+                SET_STATE(STATE_MM, MM_RR_CONN_RELEASE_NOT_ALLOWED);
+              }
+              else
+#endif /* (FF_EOTD) AND defined (REL99) */
+              {
+                TIMERSTART (T3240, T_3240_VALUE);
+                SET_STATE (STATE_MM, MM_WAIT_FOR_NW_CMD);
+              }
+            }
+            else
+            {
+              /* 
+               * Handle the CM_SERVICE_REJECT as specified in 
+               * [GSM 04.08 subclause 4.5.1.1]
+               */
+              mm_mmxx_rel_ind (mm_data->rej_cause, CM_PENDING);
+              if (mm_count_connections (CM_ACTIVE) EQ 0)
+              {
+#if defined (FF_EOTD) AND defined (REL99)
+                /*
+                *If there is no MM connection & rrlp is started, start the timer3241
+                *and move MM  to state MM_RR_CONN_RELEASE_NOT_ALLOWED
+                */
+                if(mm_data->rrlp_lcs_started EQ TRUE)
+                {
+                  TIMERSTART(T3241,T_3241_VALUE);
+                  SET_STATE(STATE_MM, MM_RR_CONN_RELEASE_NOT_ALLOWED);
+                }
+                else
+#endif /* (FF_EOTD) AND defined (REL99) */
+                {
+                  TIMERSTART (T3240, T_3240_VALUE);
+                  SET_STATE (STATE_MM, MM_WAIT_FOR_NW_CMD);
+                }
+              }
+              USE_STORED_ENTRIES();
+            }
+            break;
+        }
+
+      EM_CM_SERVICE_REJECT;
+
+      break;
+
+    case MM_LUP_REJECTED:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+    case MM_LUP_INITIATED:
+      mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      break;
+
+    default: 
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_ident_req               |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal IDENT_REQ.
+
+*/
+
+GLOBAL void mm_ident_req (T_D_IDENT_REQ *ident_req)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_ident_req()");
+
+  /* Message processing starts with semantical checks now */
+  if (!for_check_identity_type (MSG(D_IDENT_REQ)->ident.ident_type))
+  {
+     mm_for_set_error (RC_INVALID_MAND_MESSAGE);
+     return;
+  }
+
+
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_LUP_INITIATED:
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_NW_CMD:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+      {
+        MCAST (ident_res, U_IDENT_RES); /* T_U_IDENT_RES */
+        if (mm_get_service_state () NEQ MM_IDLE_LIMITED_SERVICE)
+        {
+          /* 
+           * T3212 is stopped if the first MM message is received, or 
+           * ciphering mode setting is completed in the case of MM 
+           * connection establishment, except when the most recent service 
+           * state is LIMITED SERVICE. [GSM 04.08 subclause 4.4.2]
+           */
+          TIMERSTOP (T3212); 
+          mm_data->t3212_timeout = FALSE; 
+        }
+
+        TIMERSTOP (T3211);
+        TIMERSTOP (T3213);
+        mm_data->t3213_restart = 0;
+        mm_build_ident_res (ident_req->ident.ident_type, ident_res);
+        for_data_req (BSIZE_U_IDENT_RES);
+
+        EM_IDENTITY_REQUEST_RESPONSE;
+
+        if (TIMERACTIVE(T3240))
+        {
+          TIMERSTOP (T3240);
+          TIMERSTART (T3240, T_3240_VALUE);
+        }
+      }
+      break;
+
+    case MM_LUP_REJECTED:
+      mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      break;
+    
+    default:
+
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_loc_upd_acc             |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal LOC_UPD_ACC.
+
+*/
+
+GLOBAL void mm_loc_upd_acc (T_D_LOC_UPD_ACCEPT *loc_upd_accept)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_loc_upd_acc()");
+
+
+  /* Semantical checks and preprocessing */
+  if (loc_upd_accept->loc_area_ident.c_mnc EQ 2)
+  {
+    loc_upd_accept->loc_area_ident.mnc[2] = 0xf;
+  }
+
+  
+  
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_LUP_INITIATED:
+        TRACE_EVENT ("*** LUP ACCEPTED ***");
+
+#ifdef WIN32
+
+        /* 
+         * Check whether the simulation testcases send the 
+         * LOCATION UPDATING ACCEPT message for the location area 
+         * of the cell where the mobile currently is camped on.
+         * Receiving a non appropritate location area in the LOCATION 
+         * UPDATING ACCEPT message in the simulation environment 
+         * is probably a bug in the simulation testcase.
+         */
+        vsi_o_ttrace (VSI_CALLER TC_FUNC, 
+                      "  ACC: MCC=%x%x%x MNC=%x%x%x LAC=%04x",
+                      loc_upd_accept->loc_area_ident.mcc[0],
+                      loc_upd_accept->loc_area_ident.mcc[1],
+                      loc_upd_accept->loc_area_ident.mcc[2],
+                      loc_upd_accept->loc_area_ident.mnc[0],
+                      loc_upd_accept->loc_area_ident.mnc[1],
+                      loc_upd_accept->loc_area_ident.mnc[2],
+                      loc_upd_accept->loc_area_ident.lac);
+        
+        assert (mm_check_lai (&loc_upd_accept->loc_area_ident, 
+                              &mm_data->mm.lai));
+
+#endif /* #ifdef WIN32 */
+
+        /* 
+         * T3212 is stopped if a LOCATION UPDATING ACCEPT or 
+         * LOCATION UPDATING REJECT message is received.
+         * [GSM 04.08 subclause 4.4.2]
+         */
+        TIMERSTOP (T3212); 
+        mm_data->t3212_timeout = FALSE; 
+
+        TIMERSTOP (T3210);
+        mm_data->reg.update_stat = MS_UPDATED;
+        mm_data->rej_cause = 0;
+        mm_data->attempt_cnt = 0;
+        if (loc_upd_accept->v_mob_id NEQ 0)
+        {
+          switch (loc_upd_accept->mob_id.ident_type)
+          {
+            case TYPE_TMSI:
+            {
+              MCAST (tmsi_realloc_comp, U_TMSI_REALLOC_COMP);
+
+              /* No IMSI ATTACH neccessary anymore */
+              if (mm_data->first_attach)
+              {
+                mm_data->first_attach_mem = mm_data->first_attach;
+                mm_data->first_attach = FALSE;
+              }
+
+              /* No running location updating procedure anymore */
+              mm_data->loc_upd_type.lut = NOT_RUNNING;
+              
+              /* Save TMSI in MM registration data */
+              mm_store_tmsi (&loc_upd_accept->mob_id);
+
+              /* Send RR_DATA_REQ (TMSI_REALLOC_COMPLETE) */
+              tmsi_realloc_comp->msg_type = U_TMSI_REALLOC_COMP;
+              for_data_req (BSIZE_U_TMSI_REALLOC_COMP);
+
+              EM_LOCATION_UPDATING;
+
+              /* Structure copy */
+              mm_data->reg.lai = loc_upd_accept->loc_area_ident; 
+
+              /* 
+               * We assume the network has updated us for the currently 
+               * selected cell, otherwise we will run into trouble. 
+               */
+              assert (mm_check_lai (&mm_data->reg.lai, &mm_data->mm.lai));
+                
+              /* Send RR_SYNC_REQ */
+              mm_build_rr_sync_req_tmsi ();
+
+              /* Send RR_SYNC_REQ (Location Area allowed) */
+              mm_build_rr_sync_req_cause (SYNCCS_LAI_ALLOW);
+
+              EM_TMSI_REALLOCATION_COMPLETE;
+
+              break;
+            }
+            case TYPE_IMSI:
+            {
+              /* No IMSI ATTACH neccessary anymore */
+              if (mm_data->first_attach)
+              {
+                mm_data->first_attach_mem = mm_data->first_attach;
+                mm_data->first_attach = FALSE;
+              }
+
+              /* No running location updating procedure anymore */
+              mm_data->loc_upd_type.lut = NOT_RUNNING;
+
+              mm_data->reg.tmsi = TMSI_INVALID_VALUE;
+              mm_build_rr_sync_req_cause (SYNCCS_TMSI_INVAL);
+
+              /* Structure copy */
+              mm_data->reg.lai = loc_upd_accept->loc_area_ident; 
+
+              /* 
+               * We assume the network has updated us for the currently 
+               * selected cell, otherwise we will run into trouble. 
+               */
+              assert (mm_check_lai (&mm_data->reg.lai, &mm_data->mm.lai));
+
+              mm_build_rr_sync_req_cause (SYNCCS_LAI_ALLOW);
+
+              EM_LOCATION_UPDATING;
+   
+              break;
+            }
+            case 2: /*TYPE_IMEI:*/
+            {
+/* Implements Measure 29 and streamline encoding */
+              mm_send_status(RC_INCORRECT_MESSAGE);
+              /* Implementation problem: This should be handled like 
+                 LOCATION UPDATING REJECT received with cause NETWORK FAILURE.
+                 The same may be true for all negative asserts in the field
+                 in the whole function */
+              break;
+            }
+            default:
+              /* No IMSI ATTACH neccessary anymore */
+              if (mm_data->first_attach)
+              {
+                mm_data->first_attach_mem = mm_data->first_attach;
+                mm_data->first_attach = FALSE;
+              }
+
+              /* No running location updating procedure anymore */
+              mm_data->loc_upd_type.lut = NOT_RUNNING;
+              
+              /* Structure copy */
+              mm_data->reg.lai = loc_upd_accept->loc_area_ident; 
+
+              /* 
+               * We assume the network has updated us for the currently 
+               * selected cell, otherwise we will run into trouble. 
+               */
+              assert (mm_check_lai (&mm_data->reg.lai, &mm_data->mm.lai));
+
+              mm_build_rr_sync_req_cause (SYNCCS_LAI_ALLOW);
+              break;
+          }
+        }
+        else
+        {
+          /* 
+           * Location updating accept without mobile ID, keep old TMSI
+           * stored in MM data structures.
+           */
+          
+          /* No IMSI ATTACH neccessary anymore */
+          if (mm_data->first_attach)
+          {
+            mm_data->first_attach_mem = mm_data->first_attach;
+            mm_data->first_attach = FALSE;
+          }
+
+          /* No running location updating procedure anymore */
+          mm_data->loc_upd_type.lut = NOT_RUNNING;
+
+          /* Structure copy */
+          mm_data->reg.lai = loc_upd_accept->loc_area_ident; 
+
+          /* 
+           * We assume the network has updated us for the currently 
+           * selected cell, otherwise we will run into trouble. 
+           */
+          assert (mm_check_lai (&mm_data->reg.lai, &mm_data->mm.lai));
+          
+          mm_build_rr_sync_req_cause (SYNCCS_LAI_ALLOW);
+        }
+        
+        /* remove from forbidden PLMN list if stored */
+        reg_plmn_bad_del (mm_data->reg.forb_plmn, 
+                          MAX_FORB_PLMN_ID,
+                          &mm_data->reg.actual_plmn);
+
+        
+        /* Store equivalent PLMNs (if received) */
+        if (loc_upd_accept->v_eqv_plmn_list NEQ 0)
+        {
+          if(reg_store_eqv_plmns(&loc_upd_accept->eqv_plmn_list, &mm_data->reg.actual_plmn))
+            mm_build_rr_sync_req_cause (SYNCCS_EPLMN_LIST);
+        }
+
+        /* Copy actual BCCH data before SIM update */
+        memcpy (mm_data->reg.bcch, mm_data->mm.bcch, SIZE_BCCH);
+
+        /* Indicate successfull end of registration to GMM/MMI */
+#ifdef  GPRS
+        if (!mm_gsm_alone())
+          mm_data->gprs.reg_cnf_on_idle_entry = TRUE;
+#endif
+        /* Inform MMI about full service condition (with side effects) */ 
+        reg_mm_success (FULL_SERVICE);
+
+        /* Update all EFs on SIM */
+        mm_data->ef_indicator = 0xFF;
+        /* Update SIM */
+        reg_build_sim_update ();
+/* added by TISH 0418 to write simloci to FFS */
+        mm_write_simloci_to_ffs();
+        mm_write_imsi_to_ffs();
+/* added by TISH 0418 to write simloci to FFS */
+
+#if defined (WIN32)
+        {
+        TRACE_EVENT_P1 ("Follow On decoded = %d", loc_upd_accept->v_follow_proceed);
+        }
+#endif /* #if defined (WIN32) */
+
+
+        if (loc_upd_accept->v_follow_proceed NEQ 0 AND
+            mm_set_follow_on_request())
+        {
+          SET_STATE (STATE_MM, MM_CONN_ACTIVE);
+          mm_data->loc_upd_type.follow = FOR_PENDING_NO;
+          mm_data->wait_for_accept     = FALSE;
+          TIMERSTART (T3230, T_3230_VALUE);
+          TRACE_FUNCTION ("mm_loc_upd_acc () follow on - use_entry");
+          USE_STORED_ENTRIES();
+        }
+        else
+        {
+          mm_data->loc_upd_type.follow = FOR_PENDING_NO;
+          /* PATCH LE 02.12.99
+           *
+           * Don´t stop connection if not follow on proceed
+           *
+           * mm_mmxx_rel_ind (RELCS_UNSPECIFIED, CM_PENDING);
+           * mm_mmxx_rel_ind (RELCS_UNSPECIFIED, CM_NOT_IDLE);
+           *
+           * END PATCH LE 02.12.99
+           */
+          TIMERSTART (T3240, T_3240_VALUE);
+          SET_STATE (STATE_MM, MM_WAIT_FOR_NW_CMD);
+        }
+      break;
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_NW_CMD:
+    case MM_LUP_REJECTED:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+    {
+      mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      break;
+    }
+    default:
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_lup_rej                 |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal LUP_REJ. Here the reject cause is a well 
+            defined MM cause and no garbage. Even if the network sent
+            garbage, here this has already been corrected.
+
+*/
+
+GLOBAL void mm_lup_rej (T_D_LOC_UPD_REJ *loc_upd_rej)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_lup_rej()");
+
+  /* Semantical checks and preprocessing */
+  loc_upd_rej->rej_cause = for_check_reject_cause (loc_upd_rej->rej_cause);
+
+  // Variable solely used for debugging purposes
+  mm_data->debug_last_rej_cause = loc_upd_rej->rej_cause;
+
+  /* Remember cause value for MMI information */
+  mm_data->limited_cause = CAUSE_MAKE (DEFBY_STD,
+                                       ORIGSIDE_NET,
+                                       MM_CAUSE,
+                                       loc_upd_rej->rej_cause);
+
+  EM_LOCATION_UPDATING_REJECT;
+  
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_LUP_INITIATED:
+        /* 
+         * T3212 is stopped if a LOCATION UPDATING ACCEPT or 
+         * LOCATION UPDATING REJECT message is received.
+         * [GSM 04.08 subclause 4.4.2]
+         */
+        TIMERSTOP (T3212); 
+        mm_data->t3212_timeout = FALSE; 
+
+        TIMERSTOP (T3210);
+
+        mm_data->rej_cause = CAUSE_MAKE (DEFBY_STD,
+                                         ORIGSIDE_NET,
+                                         MM_CAUSE,
+                                         loc_upd_rej->rej_cause);
+        
+        TIMERSTART (T3240, T_3240_VALUE);
+        SET_STATE (STATE_MM, MM_LUP_REJECTED);
+      break;
+
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_NW_CMD:
+    case MM_LUP_REJECTED:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+    {
+      mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      break;
+    }
+    default:
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_mm_status               |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal MM_STATUS.
+
+*/
+
+GLOBAL void mm_mm_status (void)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_mm_status()");
+  /* Semantical checks and preprocessing */
+  /* MSG(B_MM_STATUS)->rej_cause = for_check_reject_cause (MSG(B_MM_STATUS)->rej_cause); nobody cares */
+
+
+
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_LUP_INITIATED:
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_NW_CMD:
+    case MM_LUP_REJECTED:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+        if (mm_get_service_state () NEQ MM_IDLE_LIMITED_SERVICE)
+        {
+          /* 
+           * T3212 is stopped if the first MM message is received, or 
+           * ciphering mode setting is completed in the case of MM 
+           * connection establishment, except when the most recent service 
+           * state is LIMITED SERVICE. [GSM 04.08 subclause 4.4.2]
+           */
+          TIMERSTOP (T3212); 
+          mm_data->t3212_timeout = FALSE; 
+        }
+
+        if (TIMERACTIVE(T3240))
+        {
+          TIMERSTOP (T3240);
+          TIMERSTART (T3240, T_3240_VALUE);
+        }
+      break;
+
+    default:
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_mmr_auth_cnf            |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal MMR_AUTH_CNF.
+
+*/
+
+GLOBAL void mm_mmr_auth_cnf (T_SIM_AUTHENTICATION_CNF *sim_auth_cnf)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_mmr_auth_cnf()");
+
+  /* Handle the response only if it is for the last sent SIM_AUTHENTICATION_REQ */
+  if (mm_data->last_auth_req_id EQ sim_auth_cnf->req_id)
+  {
+    switch (GET_STATE (STATE_MM))
+    {
+      case MM_LUP_INITIATED:
+      case MM_WAIT_FOR_OUTG_MM_CONN:
+      case MM_CONN_ACTIVE:
+      case MM_PROCESS_PROMPT:
+      case MM_WAIT_FOR_NW_CMD:
+#ifdef REL99
+      case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+        {
+          MCAST (auth_res, U_AUTH_RES);
+          if(memcmp(mm_data->reg.kc, sim_auth_cnf->kc, MAX_KC))
+          {
+            /* Set bit 4 in ef_indicator to indicate kc change to SIM for next SIM_MM_UPDATE_REQ */
+            mm_data->ef_indicator|=(0x01 << 3);
+          }
+          memcpy (mm_data->reg.kc, sim_auth_cnf->kc, MAX_KC);
+          mm_build_auth_res (sim_auth_cnf, auth_res);
+          for_data_req (BSIZE_U_AUTH_RES);
+          mm_build_rr_sync_req(MSG_MM_CIPH);
+          if (TIMERACTIVE(T3240))
+          {
+            TIMERSTOP (T3240);
+            TIMERSTART (T3240, T_3240_VALUE);
+          }
+      
+          EM_AUTHENTICATION(EM_RESPONSE);
+   
+        }
+        break;
+
+      default:
+        break;
+    }
+  /* Reset the variable since there are no more auth_rsp expected from SIM */ 
+    mm_data->last_auth_req_id = NOT_PRESENT_8BIT;
+  } 
+  PFREE (sim_auth_cnf);
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_mmr_nreg_req            |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal MMR_NREG_REQ.
+            The cause for the deregistration attempt may be
+            CS_SIM_REM, CS_POW_OFF or CS_SOFT_OFF.
+
+*/
+
+GLOBAL void mm_mmr_nreg_req (UBYTE nreg_cause,
+                             UBYTE detach_done)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_mmr_nreg_req()");
+
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_NULL:
+      /* No DL is active */
+      switch (nreg_cause)
+      {
+        case CS_POW_OFF:
+        case CS_SOFT_OFF:
+          mm_write_eplmn_to_ffs();
+          reg_end_of_deregistration (nreg_cause, NO_SERVICE);
+          break;
+
+        case CS_SIM_REM:
+          mm_write_eplmn_to_ffs();
+          mm_clear_reg_data ();
+          reg_end_of_deregistration (nreg_cause, NO_SERVICE);
+          break;
+        
+#ifdef GPRS
+        case CS_DISABLE: /* Remote controlled IMSI DETACH */
+          mm_mmgmm_nreg_cnf (nreg_cause);
+          break;
+#endif /* GPRS */
+        
+        default:
+          TRACE_ERROR (UNEXPECTED_PARAMETER);
+          break;
+      }
+      break;
+
+    case MM_LUP_INITIATED:
+    case MM_LUP_REJECTED:
+      /*
+       * We do not know the answer to the running location updating procedure.
+       * Therefore the update state is set to MS_NOT_UPDATED here, 
+       * so MM is on the safe side if assuming it is not updated anymore.
+       * This also leads to the situation that in this
+       * states an IMSI DETACH will not be performed, but this is ok 
+       * according to GSM 04.08 subclause 4.3.4.1: 
+       * "The IMSI detach procedure may not be started if a MM specific
+       * procedure is active. If possible, the IMSI detach procedure is 
+       * then delayed until the MM specific procedure is finished, else 
+       * the IMSI detach is omitted."
+       */
+      mm_build_rr_sync_req_cause (SYNCCS_TMSI_INVAL);
+#ifdef REL99
+      reg_invalidate_upd_state (MS_NOT_UPDATED, FALSE);
+#else
+      reg_invalidate_upd_state (MS_NOT_UPDATED);
+#endif
+      /*FALLTHROUGH*/
+      //lint -fallthrough
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_NW_CMD:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+      if (mm_data->mm.mm_info.att EQ ATT_ALLOW AND
+          mm_data->reg.update_stat EQ MS_UPDATED AND
+          detach_done EQ MMGMM_PERFORM_DETACH)
+      { 
+        mm_mmxx_rel_ind (MMCS_NO_REGISTRATION, CM_NOT_IDLE);
+
+        TIMERSTOP (T3210);
+        TIMERSTOP (T3211);
+      
+        /* 
+         * The timer T3212 is stopped if the mobile station is deactivated
+         * (i.e. equipment powered down or SIM removed.
+         */
+        TIMERSTOP (T3212);
+        mm_data->t3212_timeout = FALSE;
+      
+        TIMERSTOP (T3213);
+        mm_data->t3213_restart = 0;
+        TIMERSTOP (T3230);
+        TIMERSTOP (T3240);
+#ifdef REL99
+        TIMERSTOP (T3241);
+#endif
+        
+        /* 
+         * Start IMSI Detach procedure 
+         */
+        if (mm_normal_upd_needed() OR 
+            mm_data->idle_substate EQ MM_IDLE_LIMITED_SERVICE)
+        {
+          TRACE_EVENT ("IMSI DETACH questionable");
+        }
+        mm_data->nreg_cause = nreg_cause;
+        mm_create_imsi_detach_message ();
+        for_data_req (BSIZE_U_IMSI_DETACH_IND);
+        TIMERSTART (T3220, T_3220_VALUE);
+        SET_STATE (STATE_MM, MM_IMSI_DETACH_INIT);
+        break;
+      }
+      /*FALLTHROUGH*/
+      //lint -fallthrough
+    case MM_WAIT_FOR_RR_CONN_LUP:
+    case MM_WAIT_FOR_RR_CONN_MM:
+    case MM_WAIT_FOR_REESTABLISH:
+      /* 
+       * No IMSI Detach procedure. 
+       * See also comment for state MM_WAIT_FOR_RR_ACTIVE.
+       */
+      mm_mmxx_rel_ind (MMCS_NO_REGISTRATION, CM_NOT_IDLE);
+      
+      TIMERSTOP (T3210);
+      TIMERSTOP (T3211);
+      
+      /* 
+       * The timer T3212 is stopped if the mobile station is deactivated
+       * (i.e. equipment powered down or SIM removed.
+       */
+      TIMERSTOP (T3212);
+      mm_data->t3212_timeout = FALSE;
+      
+      TIMERSTOP (T3213);
+      mm_data->t3213_restart = 0;
+      TIMERSTOP (T3230);
+      TIMERSTOP (T3240);
+
+      switch (nreg_cause)
+      {
+        case CS_POW_OFF:
+        case CS_SOFT_OFF:
+#ifdef GPRS
+        case CS_DISABLE: /* Remote controlled IMSI DETACH */
+#endif /* GPRS */
+          mm_data->nreg_cause = nreg_cause;
+          mm_abort_connection (ABCS_NORM);
+
+          /* 
+           * Entering state MM_IMSI_DETACH_INIT is a trick.
+           * We know RR will confirm the RR_ABORT_REQ by RR_RELEASE_IND, 
+           * and in this state the appropriate actions will be taken then.
+           */
+          SET_STATE (STATE_MM, MM_IMSI_DETACH_INIT);
+          break;
+        
+        case CS_SIM_REM:
+          mm_data->nreg_cause = nreg_cause;
+          mm_abort_connection (ABCS_SIM_REM);
+          SET_STATE (STATE_MM, MM_IMSI_DETACH_INIT);
+          break;
+
+        default:
+          TRACE_ERROR (UNEXPECTED_DEFAULT);
+          break;
+      }
+      break;
+
+    case MM_IMSI_DETACH_INIT:
+    case MM_WAIT_FOR_RR_CONN_DETACH:
+      mm_data->nreg_cause = nreg_cause;
+      break;
+
+    case MM_WAIT_FOR_RR_ACTIVE: /* RR is searching for a cell */
+      /* 
+       * GSM 04.08 subclause 4.3.4.1 requires the following: 
+       * "If no RR connection exists, the MM sublayer within the mobile
+       * station will request the RR sublayer to establish a RR
+       * connection. If establishment of the RR connection is not possible
+       * because a suitable cell is not (or not yet) available then, the 
+       * mobile station shall try for a period of at least 5 seconds and for
+       * not more than a period of 20 seconds to find a suitable cell. If a 
+       * suitable cell is found during this time then, the mobile station shall 
+       * request the RR sublayer to establish an RR connection, otherwise the
+       * IMSI detach is aborted.
+       * [Here the situation is that RR is searching for a cell and no cell is 
+       * yet available, but one may be found in a period lesser than 20 seconds
+       * and according to the standard an IMSI DETACH shall be performed.
+       * This MM implementation is more simple here, if still searching for a cell, 
+       * the IMSI detach is not done. This may not cause any harm to the
+       * mobile user, however, it is a minor violation of GSM 04.08.]
+       */
+      switch (nreg_cause)
+      {
+        case CS_POW_OFF:                    /* switch off mobile */
+        case CS_SOFT_OFF:
+          mm_mdl_rel_req ();
+          mm_power_off ();                  /* deactivate lower layer */
+          reg_end_of_deregistration (nreg_cause, NO_SERVICE);
+          break;
+
+        case CS_SIM_REM:
+          mm_abort_connection (ABCS_SIM_REM);
+          mm_clear_reg_data ();
+          reg_end_of_deregistration (nreg_cause, NO_SERVICE);
+          break;
+
+#ifdef GPRS 
+        case CS_DISABLE:
+          /* Remember MM may have to IMSI ATTACH if reactivated */
+          mm_data->first_attach = TRUE;
+ 
+          /* Confirm the GMM requested deregistration */
+          mm_mmgmm_nreg_cnf (nreg_cause);
+
+          /* No state change */
+          break;
+#endif /* GPRS */
+
+        default: 
+          TRACE_ERROR (UNEXPECTED_DEFAULT);
+          break;
+      }
+      break;
+
+#ifdef GPRS
+    case MM_LOCATION_UPDATING_PENDING:
+    case MM_IMSI_DETACH_PENDING:
+    case MM_IDLE_LUP_NEEDED:
+#endif /* GPRS */
+    case MM_IDLE_NORMAL_SERVICE:
+    case MM_IDLE_ATTEMPT_TO_UPDATE:
+      TIMERSTOP (T3211);
+
+      /* 
+       * The timer T3212 is stopped if the mobile station is deactivated
+       * (i.e. equipment powered down or SIM removed.
+       */
+      TIMERSTOP (T3212);
+      mm_data->t3212_timeout = FALSE;
+      
+      TIMERSTOP (T3213);
+      mm_data->t3213_restart = 0;
+
+      if (mm_data->mm.mm_info.att EQ ATT_ALLOW AND
+          mm_data->reg.update_stat EQ MS_UPDATED AND
+          detach_done EQ MMGMM_PERFORM_DETACH)
+      {
+        /* Start IMSI Detach procedure */
+
+        if (mm_normal_upd_needed())
+        {
+          TRACE_EVENT ("IMSI DETACH questionable");
+        }
+        mm_data->nreg_cause = nreg_cause;
+        mm_create_imsi_detach_message ();
+        for_est_req (ESTCS_MOB_ORIG_CAL_BY_SS_SMS, BSIZE_U_IMSI_DETACH_IND);
+        SET_STATE (STATE_MM, MM_WAIT_FOR_RR_CONN_DETACH);
+        break;
+      }
+      /* 
+       * No IMSI DETACH procedure
+       */
+      /*FALLTHROUGH*/
+      //lint -fallthrough
+    case MM_IDLE_LIMITED_SERVICE:
+    case MM_IDLE_NO_IMSI:
+      TIMERSTOP (T3211);
+
+      /* 
+       * The timer T3212 is stopped if the mobile station is deactivated
+       * (i.e. equipment powered down or SIM removed.
+       */
+      TIMERSTOP (T3212);
+      mm_data->t3212_timeout = FALSE;
+      
+      TIMERSTOP (T3213);
+      mm_data->t3213_restart = 0;
+      switch (nreg_cause)
+      {
+        case CS_POW_OFF:
+        case CS_SOFT_OFF:
+          mm_mdl_rel_req ();
+          mm_power_off ();
+          reg_end_of_deregistration (nreg_cause, NO_SERVICE);
+          break;
+
+        case CS_SIM_REM:
+          mm_mdl_rel_req();
+          mm_abort_connection (ABCS_SIM_REM);
+          mm_clear_reg_data ();
+          // Debugging patch >>>
+          if (mm_data->mm_idle_no_imsi_marker EQ 0)
+            mm_data->mm_idle_no_imsi_marker = 17;
+          // Debugging patch <<<
+          SET_STATE (STATE_MM, MM_IDLE_NO_IMSI);
+          reg_end_of_deregistration (nreg_cause, LIMITED_SERVICE);
+          break;
+
+#ifdef GPRS
+        case CS_DISABLE:
+          /* Remember MM may have to IMSI ATTACH if reactivated */
+          mm_data->first_attach = TRUE;
+ 
+          /* Confirm the GMM requested deregistration */
+          mm_mmgmm_nreg_cnf (nreg_cause);
+
+          /* No state change */
+          break;
+#endif /* GPRS */
+
+        default: /* Not expected */
+          TRACE_ERROR (UNEXPECTED_PARAMETER);
+          break;
+      }
+      break;
+    
+    case MM_IDLE_NO_CELL_AVAILABLE:
+      switch (nreg_cause)
+      {
+        case CS_POW_OFF:
+        case CS_SOFT_OFF:
+          mm_mdl_rel_req ();
+          mm_power_off ();
+          reg_end_of_deregistration (nreg_cause, NO_SERVICE);
+          break;
+
+        case CS_SIM_REM:
+          mm_mdl_rel_req();
+          mm_abort_connection (ABCS_SIM_REM);
+          mm_clear_reg_data ();
+          reg_end_of_deregistration (nreg_cause, NO_SERVICE);
+          /* No state transition to MM_IDLE_NO_IMSI here, 
+           * as state MM_IDLE_NO_CELL_AVAILABLE has precedence. */
+          break;
+
+#ifdef GPRS
+        case CS_DISABLE:
+          /* Remember MM may have to IMSI ATTACH if reactivated */
+          mm_data->first_attach = TRUE;
+ 
+          /* Confirm the GMM requested deregistration */
+          mm_mmgmm_nreg_cnf (nreg_cause);
+
+          /* No state transition to MM_IDLE_NO_IMSI here, 
+           * as state MM_IDLE_NO_CELL_AVAILABLE has precedence. */
+          break;
+#endif /* GPRS */
+
+        default: /* Not expected */
+          TRACE_ERROR (UNEXPECTED_PARAMETER);
+          break;
+      }
+      break;
+
+    case MM_IDLE_PLMN_SEARCH:
+    case MM_PLMN_SEARCH_NORMAL_SERVICE:
+      /* Back to IDLE state before network search was started, 
+       * as deregistration will stop network search in RR. */
+      SET_STATE (STATE_MM, mm_data->idle_substate);
+
+      /* Repeat the deregistration attempt in new MM state */
+      mm_mmr_nreg_req (nreg_cause, detach_done);
+      return;
+
+    default: /* Not expected as all states are handled implicitely */
+      TRACE_ERROR (UNEXPECTED_DEFAULT);
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_mmr_reg_req             |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal MMR_REG_REQ.
+
+*/
+
+GLOBAL void mm_mmr_reg_req (UBYTE func)
+{
+  GET_INSTANCE_DATA;
+  TRACE_EVENT ("mm_mmr_reg_req()");
+
+  /* Check input parameter */
+  assert (func EQ FUNC_LIM_SERV_ST_SRCH OR
+          func EQ FUNC_PLMN_SRCH OR
+          func EQ FUNC_NET_SRCH_BY_MMI);
+  
+  mm_data->reg.op.v_op = V_OP_PRES;
+  mm_data->reg.op.func = func;
+
+  /* (Re)Start MM's watchdog timer, next state is different from MM_NULL. */
+  TIMERSTART (T_REGISTRATION, T_REG_VALUE);
+  
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_NULL:
+    case MM_IDLE_NORMAL_SERVICE:
+    case MM_IDLE_ATTEMPT_TO_UPDATE:
+    case MM_IDLE_LIMITED_SERVICE:
+    case MM_IDLE_NO_IMSI:
+    case MM_IDLE_NO_CELL_AVAILABLE:
+#ifdef GPRS
+    case MM_IDLE_LUP_NEEDED:
+    case MM_LOCATION_UPDATING_PENDING:
+    case MM_IMSI_DETACH_PENDING:
+#endif /* GPRS */
+      if (func EQ FUNC_NET_SRCH_BY_MMI)
+        mm_start_net_req ();
+      else
+      {
+        mm_rr_act_req ();
+        SET_STATE (STATE_MM, MM_WAIT_FOR_RR_ACTIVE);
+      }
+      break;
+
+    case MM_IDLE_PLMN_SEARCH:
+    case MM_PLMN_SEARCH_NORMAL_SERVICE:
+      if (func NEQ FUNC_NET_SRCH_BY_MMI)
+      {
+        /* Network search aborted by GMM. Inform MMI */
+        mm_mmgmm_plmn_ind (MMCS_PLMN_NOT_IDLE_MODE, NULL);
+
+        mm_rr_act_req ();
+        SET_STATE (STATE_MM, MM_WAIT_FOR_RR_ACTIVE);
+      }
+      break;
+
+    case MM_LUP_INITIATED:
+    case MM_IMSI_DETACH_INIT:
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_NW_CMD:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+    case MM_LUP_REJECTED:
+    case MM_WAIT_FOR_RR_CONN_LUP:
+    case MM_WAIT_FOR_RR_CONN_DETACH:
+      if (func EQ FUNC_NET_SRCH_BY_MMI)
+      {
+        /*  
+         * If the MM state is not IDLE and this is caused by an MM specific
+         * procedure, we store MMI's net request until MM becomes IDLE again.
+         */
+        mm_write_entry (REG_COMP, 0, 0, EVENT_ENTRY, NULL, UNSPEC);
+        break;
+      }
+      /*FALLTHROUGH*/
+      //lint -fallthrough
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+    case MM_CONN_ACTIVE:
+    case MM_WAIT_FOR_RR_CONN_MM:
+    case MM_WAIT_FOR_REESTABLISH:
+      if (func EQ FUNC_NET_SRCH_BY_MMI)
+      {
+        mm_mmgmm_plmn_ind (MMCS_PLMN_NOT_IDLE_MODE, NULL);
+      }
+      else
+      {
+        /* func is either FUNC_LIM_SERV_ST_SRCH or FUNC_PLMN_SRCH */
+        mm_mmxx_rel_ind (MMCS_INT_NOT_PRESENT, CM_NOT_IDLE);
+        mm_abort_connection (ABCS_NORM);
+        if (mm_data->reg.op.sim_ins EQ SIM_INSRT)
+        {
+          mm_rr_act_req ();
+          SET_STATE (STATE_MM, MM_WAIT_FOR_RR_ACTIVE);
+        }
+      }
+      break;
+
+    case MM_WAIT_FOR_RR_ACTIVE:
+      if (func EQ FUNC_NET_SRCH_BY_MMI)
+        mm_start_net_req ();
+      else
+      {
+        mm_rr_act_req ();
+        /* State remains */
+      }
+      break;
+
+    default:
+      /* As all states are already handled by case, this must not happen */
+      TRACE_ERROR (UNEXPECTED_DEFAULT);
+      break;
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_tmsi_realloc_cmd        |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal TMSI_REALLOC_CMD.
+
+*/
+
+GLOBAL void mm_tmsi_realloc_cmd (T_D_TMSI_REALLOC_CMD *tmsi_realloc_cmd)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_tmsi_realloc_cmd()");
+
+  /* semantical checks and preprocessing*/
+  if (!for_check_mobile_identity (&MSG(D_TMSI_REALLOC_CMD)->mob_id))
+  {
+    mm_for_set_error (RC_INVALID_MAND_MESSAGE);
+    return;
+  }
+
+  if (tmsi_realloc_cmd->loc_area_ident.c_mnc EQ 2)
+  {
+    tmsi_realloc_cmd->loc_area_ident.mnc[2] = 0xf;
+  }
+  
+  {
+    MCAST (tmsi_realloc_comp, U_TMSI_REALLOC_COMP);
+    switch (tmsi_realloc_cmd->mob_id.ident_type)
+    {
+      case TYPE_TMSI:
+        mm_store_tmsi (&tmsi_realloc_cmd->mob_id);
+        mm_build_rr_sync_req_tmsi ();
+        /* EF LOCI value has changed, hence write it on SIM */
+        /* EF Indicator for EF LOCI - bit 1 - changed value from Attach Accept msg*/
+        mm_data->ef_indicator|=0x01;
+        break;
+      case TYPE_IMSI:
+        mm_data->reg.tmsi = TMSI_INVALID_VALUE;
+        mm_build_rr_sync_req_cause (SYNCCS_TMSI_INVAL);
+        /* EF LOCI value has changed, hence write it on SIM */
+        /* EF Indicator for EF LOCI - bit 1 - changed value from Attach Accept msg*/
+        mm_data->ef_indicator|=0x01;
+        break;
+      default:
+        TRACE_EVENT ("Unexpected mobile id");
+        break;
+    }
+
+      /* 
+       * The mobile station shall consider the new TMSI and new LAI, 
+       * if any, as valid and the old TMSI and old LAI as deleted as
+       * soon as a TMSI REALLOCATION COMMAND or another message 
+       * containing a new TMSI (e.g. LOCATION UPDATING ACCEPT) is 
+       * correctly received." [GSM 04.08 clause 4.3.1.4].
+       * It can *not* be assumed the new update state is U1 "UPDATED",
+       * even if the description of the update state in GSM 04.08 4.1.2.2
+       * says a TMSI can only exists in "UPDATED". GSM 04.08 4.1.2.2 says
+       * that normally a TMSI etc. only exists in updated, but first the 
+       * presence of other values shall not be considered as an error and
+       * second this subclause states clearly that the update status shall 
+       * only be changed by LUP ACCEPT and some other explicitly mentioned 
+       * procedures, TMSI REALLOCATION COMMAND not beeing one of them.
+       */
+    if (memcmp(mm_data->reg.lai.mnc, tmsi_realloc_cmd->loc_area_ident.mnc, SIZE_MNC) 
+        OR memcmp (mm_data->reg.lai.mcc, tmsi_realloc_cmd->loc_area_ident.mcc, SIZE_MCC) 
+        OR (mm_data->reg.lai.lac NEQ tmsi_realloc_cmd->loc_area_ident.lac))
+    {
+    /* EF LOCI value has changed, hence write it on SIM */
+    /* EF Indicator for EF LOCI - bit 1 */
+    mm_data->ef_indicator|=0x01;
+    }
+    mm_data->reg.lai = tmsi_realloc_cmd->loc_area_ident; /* Struct copy */
+    tmsi_realloc_comp->msg_type = U_TMSI_REALLOC_COMP;
+    for_data_req (BSIZE_U_TMSI_REALLOC_COMP);
+
+    EM_TMSI_REALLOCATION_COMPLETE;
+
+    TIMERSTOP (T3212);
+    mm_data->t3212_timeout = FALSE;
+
+    if (TIMERACTIVE(T3240))
+    {
+      TIMERSTOP (T3240);
+      TIMERSTART (T3240, T_3240_VALUE);
+    }
+    reg_build_sim_update ();
+  }
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_cm_service_prompt       |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal CM_SERVICE_PROMPT. Only called from 
+            for_rr_data_ind if cmsp in classmark 2 is set.
+
+*/
+
+GLOBAL void mm_cm_service_prompt (T_D_CM_SERVICE_PROMPT *cm_service_prompt)
+{
+  GET_INSTANCE_DATA;
+  TRACE_FUNCTION ("mm_cm_service_prompt()");
+
+  switch (GET_STATE (STATE_MM))
+  {
+    case MM_LUP_INITIATED: /* MM specific procedure, reject */
+    case MM_LUP_REJECTED:  /* MM specific procedure, reject */
+    case MM_PROCESS_PROMPT:
+    case MM_WAIT_FOR_OUTG_MM_CONN:
+      mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      break;
+
+    case MM_CONN_ACTIVE:
+      if (mm_data->wait_for_accept)
+      {
+        /* This is state WAIT_FOR_ADD_OUTGOING_MM_CONN */
+        mm_for_set_error(RC_MESSAGE_INCOMPAT);
+      }
+      else
+      {
+        /* This is really MM_CONN_ACTIVE */
+        if ((cm_service_prompt->pd_and_sapi.pd   EQ PD_CC) AND
+            (cm_service_prompt->pd_and_sapi.sapi EQ SAPI_0))
+        {
+          /* Send MMCM_PROMPT_IND to CC */
+          PALLOC (prompt_ind, MMCM_PROMPT_IND);
+          PSENDX (CC, prompt_ind);
+          SET_STATE (STATE_MM, MM_PROCESS_PROMPT);
+        }
+        else
+        {
+          /* Send MM_STATUS until CCBS fully supported by ACI and MMI */
+          mm_for_set_error(RC_SERVICE_NOT_SUPPORTED);
+        }
+      }
+      break;
+
+    case MM_WAIT_FOR_NW_CMD:
+#ifdef REL99
+    case MM_RR_CONN_RELEASE_NOT_ALLOWED:
+#endif
+      if (mm_get_service_state () NEQ MM_IDLE_LIMITED_SERVICE)
+      {
+        /* 
+         * T3212 is stopped if the first MM message is received, or 
+         * ciphering mode setting is completed in the case of MM 
+         * connection establishment, except when the most recent service 
+         * state is LIMITED SERVICE. [GSM 04.08 subclause 4.4.2]
+         */
+        TIMERSTOP (T3212); 
+        mm_data->t3212_timeout = FALSE; 
+      }
+      
+      if ((cm_service_prompt->pd_and_sapi.pd   EQ PD_CC) AND
+          (cm_service_prompt->pd_and_sapi.sapi EQ SAPI_0))
+      {
+#ifdef REL99
+        /* if timer T3240 is active, Restart T3240 */
+        if(TIMERACTIVE(T3240))
+#endif
+        {
+          TIMERSTART (T3240, T_3240_VALUE);
+        }
+        /* Send MMCM_PROMPT_IND to CC */
+        {
+          PALLOC (prompt_ind, MMCM_PROMPT_IND); /* T_MMCM_PROMPT_IND */
+          PSENDX (CC, prompt_ind);
+        }
+#ifdef REL99
+        /*
+         *Stop timer t3241 if it is ruuning. *As per the spec 24.008, Timer T3241
+         *is stopped and reset (but not started) when the MM state
+         *RR CONNECTION RELEASE NOT ALLOWED is left.
+         */
+        TIMERSTOP(T3241);
+#endif
+
+        SET_STATE (STATE_MM, MM_PROCESS_PROMPT);
+      }
+      else
+      {
+        /* Send MM_STATUS message, only CC and SAPI=0 supported */
+        mm_for_set_error(RC_SERVICE_NOT_SUPPORTED);
+      }
+      break;
+
+    default: /* States without RR connection */
+      break;
+  }
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_mm_information          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process the signal MM_INFORMATION. This signal may be
+            received any time a RR connection to the network exists
+            and is always been considered as compatible with the
+            protocol state.
+*/
+
+GLOBAL void mm_mm_information (T_D_MM_INFORMATION *mm_information)
+{
+  GET_INSTANCE_DATA;
+
+#ifdef GPRS
+  PALLOC (mmr_info_ind,MMGMM_INFO_IND);
+#else
+  PALLOC (mmr_info_ind,MMR_INFO_IND);
+#endif /* GPRS */
+
+  TRACE_FUNCTION ("mm_mm_information()");
+
+  if (mm_get_service_state () NEQ MM_IDLE_LIMITED_SERVICE)
+  {
+    /* 
+     * T3212 is stopped if the first MM message is received, or 
+     * ciphering mode setting is completed in the case of MM 
+     * connection establishment, except when the most recent service 
+     * state is LIMITED SERVICE. [GSM 04.08 subclause 4.4.2]
+     */
+    TIMERSTOP (T3212); 
+    mm_data->t3212_timeout = FALSE; 
+  }
+  
+  /* Set PLMN, this will be used if network name is given */
+  mmr_info_ind->plmn.v_plmn = TRUE;
+  memcpy (mmr_info_ind->plmn.mcc, mm_data->mm.lai.mcc, SIZE_MCC);
+  memcpy (mmr_info_ind->plmn.mnc, mm_data->mm.lai.mnc, SIZE_MNC);
+
+  /* Set full network name, if present */
+  mm_cpy_net_name(&mm_information->full_net_name, &mmr_info_ind->full_name, 
+                   mm_information->v_full_net_name);
+
+  /* Set short network name, if present */
+  mm_cpy_net_name(&mm_information->short_net_name, &mmr_info_ind->short_name, 
+                   mm_information->v_short_net_name);
+
+  /* Set network time zone, if present */
+  if (mm_information->v_net_tz NEQ 0)
+  {
+    mmr_info_ind->ntz.v_tz = TRUE;
+    mmr_info_ind->ntz.tz = mm_information->net_tz.tz;
+  }
+  else
+    mmr_info_ind->ntz.v_tz = FALSE;
+
+  /* Set network time zone and time, if present */
+  if (mm_information->v_net_tz_and_time NEQ 0)
+  {
+    mmr_info_ind->ntz.v_tz = TRUE;
+    mmr_info_ind->ntz.tz   = mm_information->net_tz_and_time.tz;
+    mmr_info_ind->time.v_time = TRUE;
+    mmr_info_ind->time.year   = 
+      10 * mm_information->net_tz_and_time.year[0] + 
+           mm_information->net_tz_and_time.year[1];
+    mmr_info_ind->time.month  = 
+      10 * mm_information->net_tz_and_time.month[0] + 
+           mm_information->net_tz_and_time.month[1];
+    mmr_info_ind->time.day    = 
+      10 * mm_information->net_tz_and_time.day[0] +
+           mm_information->net_tz_and_time.day[1];
+    mmr_info_ind->time.hour   =
+      10 * mm_information->net_tz_and_time.hour[0] +
+           mm_information->net_tz_and_time.hour[1];
+    mmr_info_ind->time.minute =
+      10 * mm_information->net_tz_and_time.minute[0] + 
+           mm_information->net_tz_and_time.minute[1];
+    mmr_info_ind->time.second =
+      10 * mm_information->net_tz_and_time.second[0] + 
+           mm_information->net_tz_and_time.second[1];
+  }
+  else
+  {
+    mmr_info_ind->time.v_time = FALSE;
+  }
+#ifdef REL99
+  if (mm_information->v_daylight_save_time)
+  {
+    mmr_info_ind->daylight_save_time =
+      mm_information->daylight_save_time.save_time_value;
+  }
+  else
+  {
+    mmr_info_ind->daylight_save_time = MMR_ADJ_NO;
+  }
+#endif
+#ifdef GPRS
+  PSENDX (GMM, mmr_info_ind);
+#else
+  PSENDX (MMI, mmr_info_ind);
+#endif
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_send_rr_data_ind        |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function passes the RR_DATA_IND depending on the parameters
+            'comp' and 'snd_prim_type' to the respective entity.
+            'comp'          gives either CC or SS or SMS entity
+            'snd_prim_type' gives either ESTABLISH_IND or DATA_IND
+*/
+
+LOCAL void mm_send_rr_data_ind       (T_RR_DATA_IND        *rr_data_ind,
+                                      UBYTE                 comp,
+                                      T_PRIM_TYPE           snd_prim_type)
+{
+  TRACE_FUNCTION ("mm_send_rr_data_ind()");
+
+  switch (comp)
+  {
+    case CC_COMP:
+    {
+      if(snd_prim_type EQ PRIM_EST_IND)
+      {
+        PPASS (rr_data_ind, est, MMCM_ESTABLISH_IND);
+        PSENDX (CC, est);
+      }
+      else
+      {
+        PPASS (rr_data_ind, data, MMCM_DATA_IND);
+        PSENDX (CC, data);
+      }
+    }
+    break;
+
+    case SS_COMP:
+    {
+      if(snd_prim_type EQ PRIM_EST_IND)
+      {
+        PPASS (rr_data_ind, est, MMSS_ESTABLISH_IND);
+        PSENDX (SS, est);
+      }
+      else
+      {
+        PPASS (rr_data_ind, data, MMSS_DATA_IND);
+        PSENDX (SS, data);
+      }
+    }
+    break;
+
+    case SMS_COMP:
+    {
+      if(snd_prim_type EQ PRIM_EST_IND)
+      {
+        PPASS (rr_data_ind, est, MMSMS_ESTABLISH_IND);
+        PSENDX (SMS, est);
+      }
+      else
+      {
+        PPASS (rr_data_ind, data, MMSMS_DATA_IND);
+        PSENDX (SMS, data);
+      }
+    }
+    break;
+
+    default:
+      PFREE (rr_data_ind);
+      return;
+  } /* switch (comp) */
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)       MODULE  : MM_MM                      |
+| STATE   : code                ROUTINE : mm_cpy_net_name            |
++--------------------------------------------------------------------+
+
+  PURPOSE : The function sets the network name.
+*/
+
+LOCAL void mm_cpy_net_name       (T_full_net_name      *net_name,
+                                  T_full_name          *name,
+                                  UBYTE                 v_net_name)
+{
+  TRACE_FUNCTION ("mm_cpy_net_name()");
+  if (v_net_name NEQ 0)
+  {
+    name->v_name     = TRUE;
+    name->dcs        = net_name->cs;
+    name->add_ci     = net_name->add_ci;
+    name->num_spare  = net_name->num_spare;
+    memset(name->text, 0, MMR_MAX_TEXT_LEN);
+    name->c_text     = MINIMUM (MMR_MAX_TEXT_LEN, net_name->c_text);
+    memcpy (name->text, net_name->text,name->c_text);
+  }
+  else
+    name->v_name = FALSE;
+}
+
+#endif