FreeCalypso > hg > themwi-system-sw

comparison sip-in/mncc_handle.c @ 128:5685412bd6aa

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sip-in: pass DTMF start & stop to themwi-mgw
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 01 Oct 2022 23:07:01 -0800
parents c1c94b7fc2e2
children 01fe81914bd6
comparison
equal deleted inserted replaced
127:f062c32a5116 128:5685412bd6aa
37 send_mncc_to_gsm(&ack, sizeof(struct gsm_mncc)); 37 send_mncc_to_gsm(&ack, sizeof(struct gsm_mncc));
38 call->mncc_state = MNCC_STATE_CONNECTED; 38 call->mncc_state = MNCC_STATE_CONNECTED;
39 call->overall_state = OVERALL_STATE_CONNECTED; 39 call->overall_state = OVERALL_STATE_CONNECTED;
40 } 40 }
41 41
42 void
43 mncc_dtmf_start_ok(call)
44 struct call *call;
45 {
46 struct gsm_mncc msg;
47
48 bzero(&msg, sizeof(struct gsm_mncc));
49 msg.msg_type = MNCC_START_DTMF_RSP;
50 msg.callref = call->mncc_callref;
51 msg.fields |= MNCC_F_KEYPAD;
52 msg.keypad = call->dtmf_digit;
53 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
54 }
55
56 void
57 mncc_dtmf_start_err(call)
58 struct call *call;
59 {
60 struct gsm_mncc msg;
61
62 bzero(&msg, sizeof(struct gsm_mncc));
63 msg.msg_type = MNCC_START_DTMF_REJ;
64 msg.callref = call->mncc_callref;
65 mncc_set_cause(&msg, GSM48_CAUSE_LOC_PRN_S_LU,
66 GSM48_CC_CAUSE_PROTO_ERR);
67 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
68 }
69
70 void
71 mncc_dtmf_stop_ok(call)
72 struct call *call;
73 {
74 struct gsm_mncc msg;
75
76 bzero(&msg, sizeof(struct gsm_mncc));
77 msg.msg_type = MNCC_STOP_DTMF_RSP;
78 msg.callref = call->mncc_callref;
79 send_mncc_to_gsm(&msg, sizeof(struct gsm_mncc));
80 }
81
42 static void 82 static void
43 handle_alerting(call, msg) 83 handle_alerting(call, msg)
44 struct call *call; 84 struct call *call;
45 struct gsm_mncc *msg; 85 struct gsm_mncc *msg;
46 { 86 {
120 disconnect_tmgw(call); 160 disconnect_tmgw(call);
121 transition_dead_sip(call); 161 transition_dead_sip(call);
122 } 162 }
123 163
124 static void 164 static void
165 handle_dtmf_start(call, msg)
166 struct call *call;
167 struct gsm_mncc *msg;
168 {
169 if (!(msg->fields & MNCC_F_KEYPAD) ||
170 !is_valid_dtmf_digit(msg->keypad)) {
171 msg->msg_type = MNCC_START_DTMF_REJ;
172 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
173 GSM48_CC_CAUSE_INVAL_MAND_INF);
174 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
175 return;
176 }
177 if (call->overall_state != OVERALL_STATE_CONNECTED ||
178 call->mgw_state != MGW_STATE_COMPLETE) {
179 msg->msg_type = MNCC_START_DTMF_REJ;
180 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
181 GSM48_CC_CAUSE_MSGTYPE_INCOMPAT);
182 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
183 return;
184 }
185 call->dtmf_digit = msg->keypad;
186 tmgw_send_dtmf_start(call);
187 }
188
189 static void
190 handle_dtmf_stop(call, msg)
191 struct call *call;
192 struct gsm_mncc *msg;
193 {
194 if (call->overall_state == OVERALL_STATE_CONNECTED &&
195 call->mgw_state == MGW_STATE_COMPLETE)
196 tmgw_send_dtmf_stop(call);
197 else
198 call->dtmf_pending_stop = 1;
199 }
200
201 static void
125 handle_signaling_msg(msg, msglen) 202 handle_signaling_msg(msg, msglen)
126 struct gsm_mncc *msg; 203 struct gsm_mncc *msg;
127 unsigned msglen; 204 unsigned msglen;
128 { 205 {
129 struct call *call; 206 struct call *call;
155 case MNCC_REL_CNF: 232 case MNCC_REL_CNF:
156 case MNCC_REJ_IND: 233 case MNCC_REJ_IND:
157 handle_final_release(call, msg); 234 handle_final_release(call, msg);
158 return; 235 return;
159 case MNCC_START_DTMF_IND: 236 case MNCC_START_DTMF_IND:
160 msg->msg_type = MNCC_START_DTMF_REJ; 237 handle_dtmf_start(call, msg);
161 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
162 GSM48_CC_CAUSE_SERV_OPT_UNIMPL);
163 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
164 return; 238 return;
165 case MNCC_STOP_DTMF_IND: 239 case MNCC_STOP_DTMF_IND:
166 msg->msg_type = MNCC_STOP_DTMF_RSP; 240 handle_dtmf_stop(call, msg);
167 send_mncc_to_gsm(msg, sizeof(struct gsm_mncc));
168 return; 241 return;
169 case MNCC_MODIFY_IND: 242 case MNCC_MODIFY_IND:
170 msg->msg_type = MNCC_MODIFY_REJ; 243 msg->msg_type = MNCC_MODIFY_REJ;
171 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU, 244 mncc_set_cause(msg, GSM48_CAUSE_LOC_PRN_S_LU,
172 GSM48_CC_CAUSE_SERV_OPT_UNIMPL); 245 GSM48_CC_CAUSE_SERV_OPT_UNIMPL);