FreeCalypso > hg > themwi-system-sw

annotate sip-out/mgw_ops.c @ 191:6ac96217c442

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sip-manual-out: add SDP response parsing
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 17 Mar 2023 12:07:17 -0800
parents e54b0a9e322f
children
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1 /*
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2 * In this module we implement all transactions from themwi-sip-out
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3 * toward themwi-mgw.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <sys/socket.h>
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8 #include <sys/time.h>
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9 #include <netinet/in.h>
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10 #include <stdio.h>
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11 #include <stdint.h>
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12 #include <stdlib.h>
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13 #include <string.h>
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14 #include <strings.h>
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15 #include <syslog.h>
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16 #include "../include/tmgw_ctrl.h"
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17 #include "../include/tmgw_const.h"
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18 #include "../include/out_routes.h"
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19 #include "call.h"
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20
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21 extern struct call *call_list;
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22
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23 struct call *
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24 find_call_with_mgw_xact(xact_id)
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25 uint32_t xact_id;
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26 {
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27 struct call *call;
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28
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29 for (call = call_list; call; call = call->next)
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30 if (call->mgw_xact && call->mgw_xact_id == xact_id)
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31 return call;
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32 return 0;
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33 }
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34
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35 uint32_t
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36 get_new_tmgw_xact_id()
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37 {
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38 static uint32_t next_xact_id;
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39
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40 for (;;) {
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41 next_xact_id++;
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42 if (!find_call_with_mgw_xact(next_xact_id))
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43 return next_xact_id;
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44 }
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45 }
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46
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47 void
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48 tmgw_send_crcx(call)
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49 struct call *call;
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50 {
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51 struct tmgw_ctrl_req req;
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52
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53 bzero(&req, sizeof req);
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54 req.opcode = TMGW_CTRL_OP_CRCX;
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55 req.transact_ref = get_new_tmgw_xact_id();
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56 req.ep_id = TMGW_EP_TYPE_GATEWAY;
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57 req.setup_mask = TMGW_CTRL_MASK_GSM_CONN;
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58 bcopy(&call->gsm_rtp_osmo, &req.gsm_addr,
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59 sizeof(struct sockaddr_storage));
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60 req.gsm_payload_type = call->gsm_payload_type;
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61 req.gsm_payload_msg_type = call->gsm_payload_msg_type;
60
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62 send_req_to_tmgw(&req);
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63 call->mgw_xact = TMGW_CTRL_OP_CRCX;
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64 call->mgw_xact_id = req.transact_ref;
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65 }
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66
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67 void
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68 tmgw_send_mdcx_connect(call, ibt)
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69 struct call *call;
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70 {
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71 struct tmgw_ctrl_req req;
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72
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73 bzero(&req, sizeof req);
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74 req.opcode = TMGW_CTRL_OP_MDCX;
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75 req.transact_ref = get_new_tmgw_xact_id();
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76 req.ep_id = call->mgw_ep_id;
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77 req.setup_mask = TMGW_CTRL_MASK_PSTN_CONN | TMGW_CTRL_MASK_FWD_MODE;
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78 bcopy(&call->pstn_rtp_remote, &req.pstn_addr,
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79 sizeof(struct sockaddr_in));
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80 req.pstn_payload_type =
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81 call->use_pcma ? PSTN_CODEC_PCMA : PSTN_CODEC_PCMU;
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82 req.fwd_mode = ibt ? TMGW_FWD_MODE_RECVONLY : TMGW_FWD_MODE_SENDRECV;
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83 send_req_to_tmgw(&req);
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84 call->mgw_state = ibt ? MGW_STATE_MDCX_IBT : MGW_STATE_MDCX_CONN;
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85 call->mgw_xact = TMGW_CTRL_OP_MDCX;
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86 call->mgw_xact_id = req.transact_ref;
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87 }
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88
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89 void
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90 tmgw_send_mdcx_hold(call)
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91 struct call *call;
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92 {
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93 struct tmgw_ctrl_req req;
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94
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95 bzero(&req, sizeof req);
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96 req.opcode = TMGW_CTRL_OP_MDCX;
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97 req.transact_ref = get_new_tmgw_xact_id();
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98 req.ep_id = call->mgw_ep_id;
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99 req.setup_mask = TMGW_CTRL_MASK_FWD_MODE;
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100 req.fwd_mode = TMGW_FWD_MODE_INACTIVE;
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101 send_req_to_tmgw(&req);
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102 call->mgw_state = MGW_STATE_MDCX_HOLD;
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103 call->mgw_xact = TMGW_CTRL_OP_MDCX;
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104 call->mgw_xact_id = req.transact_ref;
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105 }
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106
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107 void
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108 tmgw_send_mdcx_retrieve(call)
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109 struct call *call;
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110 {
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111 struct tmgw_ctrl_req req;
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112
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113 bzero(&req, sizeof req);
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114 req.opcode = TMGW_CTRL_OP_MDCX;
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115 req.transact_ref = get_new_tmgw_xact_id();
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116 req.ep_id = call->mgw_ep_id;
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117 req.setup_mask = TMGW_CTRL_MASK_FWD_MODE;
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118 req.fwd_mode = TMGW_FWD_MODE_SENDRECV;
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119 send_req_to_tmgw(&req);
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120 call->mgw_state = MGW_STATE_MDCX_RETR;
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121 call->mgw_xact = TMGW_CTRL_OP_MDCX;
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122 call->mgw_xact_id = req.transact_ref;
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123 }
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124
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parents: 128
diff changeset
125 void
60
02761f1ae5e5 sip-in INVITE processing: got as far as CRCX completion
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126 tmgw_send_dlcx(call)
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127 struct call *call;
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128 {
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129 struct tmgw_ctrl_req req;
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130
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131 bzero(&req, sizeof req);
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132 req.opcode = TMGW_CTRL_OP_DLCX;
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133 req.transact_ref = get_new_tmgw_xact_id();
61
e12036337412 sip-in/mgw_ops.c: fix double semicolon
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parents: 60
diff changeset
134 req.ep_id = call->mgw_ep_id;
60
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parents:
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135 send_req_to_tmgw(&req);
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136 call->mgw_state = MGW_STATE_DELETING;
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137 call->mgw_xact = TMGW_CTRL_OP_DLCX;
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parents:
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138 call->mgw_xact_id = req.transact_ref;
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parents:
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139 }
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parents:
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140
128
5685412bd6aa sip-in: pass DTMF start & stop to themwi-mgw
Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
141 void
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diff changeset
142 tmgw_send_dtmf_start(call)
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parents: 110
diff changeset
143 struct call *call;
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parents: 110
diff changeset
144 {
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parents: 110
diff changeset
145 struct tmgw_ctrl_req req;
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parents: 110
diff changeset
146
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parents: 110
diff changeset
147 bzero(&req, sizeof req);
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parents: 110
diff changeset
148 req.opcode = TMGW_CTRL_OP_DTMF_START;
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parents: 110
diff changeset
149 req.transact_ref = get_new_tmgw_xact_id();
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parents: 110
diff changeset
150 req.ep_id = call->mgw_ep_id;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
151 req.fwd_mode = call->dtmf_digit;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
152 send_req_to_tmgw(&req);
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
153 call->mgw_state = MGW_STATE_DTMF_OP;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
154 call->mgw_xact = TMGW_CTRL_OP_DTMF_START;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
155 call->mgw_xact_id = req.transact_ref;
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parents: 110
diff changeset
156 }
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parents: 110
diff changeset
157
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parents: 110
diff changeset
158 void
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diff changeset
159 tmgw_send_dtmf_stop(call)
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parents: 110
diff changeset
160 struct call *call;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
161 {
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parents: 110
diff changeset
162 struct tmgw_ctrl_req req;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
163
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
164 bzero(&req, sizeof req);
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
165 req.opcode = TMGW_CTRL_OP_DTMF_STOP;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
166 req.transact_ref = get_new_tmgw_xact_id();
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
167 req.ep_id = call->mgw_ep_id;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
168 send_req_to_tmgw(&req);
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
169 call->mgw_state = MGW_STATE_DTMF_OP;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
170 call->mgw_xact = TMGW_CTRL_OP_DTMF_STOP;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
171 call->mgw_xact_id = req.transact_ref;
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Mychaela Falconia <falcon@freecalypso.org>
parents: 110
diff changeset
172 }