FreeCalypso > hg > themwi-system-sw

comparison sip-in/mncc_handle.c @ 141:e499e8db8b82

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sip-in: handle call hold and retrieve
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 08 Oct 2022 13:28:30 -0800
parents 01fe81914bd6
children 99fd4ae573ae
comparison
equal deleted inserted replaced
140:01fe81914bd6 141:e499e8db8b82
77 msg.msg_type = MNCC_STOP_DTMF_RSP; 77 msg.msg_type = MNCC_STOP_DTMF_RSP;
78 msg.callref = call->mncc_callref; 78 msg.callref = call->mncc_callref;
79 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc)); 79 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
80 } 80 }
81 81
82 void
83 mncc_send_hold_ack(call)
84 struct call *call;
85 {
86 struct gsm_mncc msg;
87
88 bzero(&msg, sizeof(struct gsm_mncc));
89 msg.msg_type = MNCC_HOLD_CNF;
90 msg.callref = call->mncc_callref;
91 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
92 }
93
94 void
95 mncc_send_retrieve_ack(call)
96 struct call *call;
97 {
98 struct gsm_mncc msg;
99
100 bzero(&msg, sizeof(struct gsm_mncc));
101 msg.msg_type = MNCC_RETRIEVE_CNF;
102 msg.callref = call->mncc_callref;
103 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
104 }
105
82 static void 106 static void
83 send_rtp_connect(call) 107 send_rtp_connect(call)
84 struct call *call; 108 struct call *call;
85 { 109 {
86 struct gsm_mncc_rtp rtp; 110 struct gsm_mncc_rtp rtp;
203 static void 227 static void
204 handle_dtmf_stop(call, msg) 228 handle_dtmf_stop(call, msg)
205 struct call *call; 229 struct call *call;
206 struct gsm_mncc *msg; 230 struct gsm_mncc *msg;
207 { 231 {
208 if (call->overall_state == OVERALL_STATE_CONNECTED && 232 if (call->overall_state != OVERALL_STATE_CONNECTED)
209 call->mgw_state == MGW_STATE_COMPLETE) 233 return;
234 if (call->mgw_state == MGW_STATE_COMPLETE)
210 tmgw_send_dtmf_stop(call); 235 tmgw_send_dtmf_stop(call);
211 else 236 else if (call->mgw_state == MGW_STATE_DTMF_OP)
212 call->dtmf_pending_stop = 1; 237 call->dtmf_pending_stop = 1;
238 else {
239 /* dummy OK response */
240 msg->msg_type = MNCC_STOP_DTMF_RSP;
241 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
242 }
243 }
244
245 static void
246 handle_call_hold(call, msg)
247 struct call *call;
248 struct gsm_mncc *msg;
249 {
250 if (call->overall_state != OVERALL_STATE_CONNECTED ||
251 call->mgw_state != MGW_STATE_COMPLETE) {
252 msg->msg_type = MNCC_HOLD_REJ;
253 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
254 GSM48_CC_CAUSE_MSGTYPE_INCOMPAT);
255 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
256 return;
257 }
258 tmgw_send_mdcx_hold(call);
259 }
260
261 static void
262 handle_call_retrieve(call, msg)
263 struct call *call;
264 struct gsm_mncc *msg;
265 {
266 if (call->overall_state != OVERALL_STATE_CONNECTED ||
267 call->mgw_state != MGW_STATE_HELD) {
268 msg->msg_type = MNCC_RETRIEVE_REJ;
269 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
270 GSM48_CC_CAUSE_MSGTYPE_INCOMPAT);
271 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
272 return;
273 }
274 send_rtp_connect(call);
275 tmgw_send_mdcx_retrieve(call);
213 } 276 }
214 277
215 static void 278 static void
216 handle_signaling_msg(msg, msglen) 279 handle_signaling_msg(msg, msglen)
217 struct gsm_mncc *msg; 280 struct gsm_mncc *msg;
258 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU, 321 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
259 GSM48_CC_CAUSE_SERV_OPT_UNIMPL); 322 GSM48_CC_CAUSE_SERV_OPT_UNIMPL);
260 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc)); 323 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
261 return; 324 return;
262 case MNCC_HOLD_IND: 325 case MNCC_HOLD_IND:
263 msg->msg_type = MNCC_HOLD_REJ; 326 handle_call_hold(call, msg);
264 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
265 GSM48_CC_CAUSE_SERV_OPT_UNIMPL);
266 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
267 return; 327 return;
268 case MNCC_RETRIEVE_IND: 328 case MNCC_RETRIEVE_IND:
269 msg->msg_type = MNCC_RETRIEVE_REJ; 329 handle_call_retrieve(call, msg);
270 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
271 GSM48_CC_CAUSE_SERV_OPT_UNIMPL);
272 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
273 return; 330 return;
274 } 331 }
275 } 332 }
276 333
277 static void 334 static void