1 /*****************************************************************************\
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
8 ** mISDN gsm (BS mode) **
10 \*****************************************************************************/
15 struct lcr_gsm *gsm_bs = NULL;
20 unsigned char dtmf_samples[16][8000];
21 static int dtmf_x[4] = { 1209, 1336, 1477, 1633 };
22 static int dtmf_y[4] = { 697, 770, 852, 941 };
24 void generate_dtmf(void)
26 double fx, fy, sample;
30 for (y = 0; y < 4; y++) {
31 fy = 2 * 3.1415927 * ((double)dtmf_y[y]) / 8000.0;
32 for (x = 0; x < 4; x++) {
33 fx = 2 * 3.1415927 * ((double)dtmf_x[x]) / 8000.0;
34 law = dtmf_samples[y << 2 | x];
35 for (i = 0; i < 8000; i++) {
36 sample = sin(fy * ((double)i)) * 0.251 * 32767.0; /* -6 dB */
37 sample += sin(fx * ((double)i)) * 0.158 * 32767.0; /* -8 dB */
38 *law++ = audio_s16_to_law[(int)sample & 0xffff];
48 Pgsm_bs::Pgsm_bs(int type, char *portname, struct port_settings *settings, struct interface *interface) : Pgsm(type, portname, settings, interface)
54 PDEBUG(DEBUG_GSM, "Created new GSMBSPort(%s).\n", portname);
62 PDEBUG(DEBUG_GSM, "Destroyed GSM BS process(%s).\n", p_name);
66 void Pgsm_bs::start_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
68 struct gsm_mncc *resp;
70 gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
71 add_trace("keypad", NULL, "%c", mncc->keypad);
73 SPRINT(p_dialinginfo.id, "%c", mncc->keypad);
74 p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
77 gsm_trace_header(p_g_interface_name, this, MNCC_START_DTMF_RSP, DIRECTION_OUT);
78 add_trace("keypad", NULL, "%c", mncc->keypad);
80 resp = create_mncc(MNCC_START_DTMF_RSP, p_g_callref);
81 resp->fields |= MNCC_F_KEYPAD;
82 resp->keypad = mncc->keypad;
83 send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
86 class Port *remote = bridge_remote();
89 struct lcr_msg *message;
91 /* send dtmf information, because we bridge RTP directly */
92 message = message_create(0, remote->p_serial, EPOINT_TO_PORT, MESSAGE_DTMF);
93 message->param.dtmf = mncc->keypad;
97 /* generate DTMF tones, since we do audio forwarding inside LCR */
98 switch (mncc->keypad) {
99 case '1': p_g_dtmf = dtmf_samples[0]; break;
100 case '2': p_g_dtmf = dtmf_samples[1]; break;
101 case '3': p_g_dtmf = dtmf_samples[2]; break;
103 case 'A': p_g_dtmf = dtmf_samples[3]; break;
104 case '4': p_g_dtmf = dtmf_samples[4]; break;
105 case '5': p_g_dtmf = dtmf_samples[5]; break;
106 case '6': p_g_dtmf = dtmf_samples[6]; break;
108 case 'B': p_g_dtmf = dtmf_samples[7]; break;
109 case '7': p_g_dtmf = dtmf_samples[8]; break;
110 case '8': p_g_dtmf = dtmf_samples[9]; break;
111 case '9': p_g_dtmf = dtmf_samples[10]; break;
113 case 'C': p_g_dtmf = dtmf_samples[11]; break;
114 case '*': p_g_dtmf = dtmf_samples[12]; break;
115 case '0': p_g_dtmf = dtmf_samples[13]; break;
116 case '#': p_g_dtmf = dtmf_samples[14]; break;
118 case 'D': p_g_dtmf = dtmf_samples[15]; break;
123 void Pgsm_bs::stop_dtmf_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
125 struct gsm_mncc *resp;
127 gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
128 add_trace("keypad", NULL, "%c", mncc->keypad);
132 gsm_trace_header(p_g_interface_name, this, MNCC_STOP_DTMF_RSP, DIRECTION_OUT);
133 add_trace("keypad", NULL, "%c", mncc->keypad);
135 resp = create_mncc(MNCC_STOP_DTMF_RSP, p_g_callref);
136 resp->keypad = mncc->keypad;
137 send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
143 /* HOLD INDICATION */
144 void Pgsm_bs::hold_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
146 struct lcr_msg *message;
147 struct gsm_mncc *resp, *frame;
149 gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
152 /* notify the hold of call */
153 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
154 message->param.notifyinfo.notify = INFO_NOTIFY_REMOTE_HOLD;
155 message->param.notifyinfo.local = 1; /* call is held by supplementary service */
156 message_put(message);
158 /* acknowledge hold */
159 gsm_trace_header(p_g_interface_name, this, MNCC_HOLD_CNF, DIRECTION_OUT);
161 resp = create_mncc(MNCC_HOLD_CNF, p_g_callref);
162 send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
165 if (p_g_tch_connected) { /* it should be true */
166 gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_DROP, DIRECTION_OUT);
168 frame = create_mncc(MNCC_FRAME_DROP, p_g_callref);
169 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
170 p_g_tch_connected = 0;
175 /* RETRIEVE INDICATION */
176 void Pgsm_bs::retr_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
178 struct lcr_msg *message;
179 struct gsm_mncc *resp, *frame;
181 gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
184 /* notify the retrieve of call */
185 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_NOTIFY);
186 message->param.notifyinfo.notify = INFO_NOTIFY_REMOTE_RETRIEVAL;
187 message->param.notifyinfo.local = 1; /* call is retrieved by supplementary service */
188 message_put(message);
190 /* acknowledge retr */
191 gsm_trace_header(p_g_interface_name, this, MNCC_RETRIEVE_CNF, DIRECTION_OUT);
193 resp = create_mncc(MNCC_RETRIEVE_CNF, p_g_callref);
194 send_and_free_mncc(p_g_lcr_gsm, resp->msg_type, resp);
197 if (!p_g_tch_connected) { /* it should be true */
198 gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
200 frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
201 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
202 p_g_tch_connected = 1;
207 * handles all indications
209 /* SETUP INDICATION */
210 void Pgsm_bs::setup_ind(unsigned int msg_type, unsigned int callref, struct gsm_mncc *mncc)
212 class Endpoint *epoint;
213 struct lcr_msg *message;
214 struct gsm_mncc *mode, *proceeding, *frame;
215 struct interface *interface = interface_first;
218 if (!strcmp(interface->name, p_g_interface_name))
220 interface = interface->next;
223 PERROR("Cannot find interface %s.\n", p_g_interface_name);
227 /* process given callref */
228 gsm_trace_header(p_g_interface_name, this, 0, DIRECTION_IN);
229 add_trace("callref", "new", "0x%x", callref);
231 /* release in case the ID is already in use */
232 add_trace("error", NULL, "callref already in use");
234 mncc = create_mncc(MNCC_REJ_REQ, callref);
235 gsm_trace_header(p_g_interface_name, this, MNCC_REJ_REQ, DIRECTION_OUT);
236 mncc->fields |= MNCC_F_CAUSE;
237 mncc->cause.coding = 3;
238 mncc->cause.location = 1;
239 mncc->cause.value = 47;
240 add_trace("cause", "coding", "%d", mncc->cause.coding);
241 add_trace("cause", "location", "%d", mncc->cause.location);
242 add_trace("cause", "value", "%d", mncc->cause.value);
243 add_trace("reason", NULL, "callref already in use");
245 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
246 new_state(PORT_STATE_RELEASE);
247 trigger_work(&p_g_delete);
250 p_g_callref = callref;
255 p_callerinfo.present = INFO_PRESENT_RESTRICTED;
257 p_callerinfo.present = INFO_PRESENT_ALLOWED;
258 if (mncc->calling.number[0])
259 SCPY(p_callerinfo.id, mncc->calling.number);
261 p_callerinfo.present = INFO_PRESENT_NOTAVAIL;
262 SCPY(p_callerinfo.imsi, mncc->imsi);
263 p_callerinfo.screen = INFO_SCREEN_NETWORK;
264 p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
265 SCPY(p_callerinfo.interface, p_g_interface_name);
267 /* dialing information */
268 SCAT(p_dialinginfo.id, mncc->called.number);
269 switch (mncc->called.type) {
271 p_dialinginfo.ntype = INFO_NTYPE_INTERNATIONAL;
274 p_dialinginfo.ntype = INFO_NTYPE_NATIONAL;
277 p_dialinginfo.ntype = INFO_NTYPE_SUBSCRIBER;
280 p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
283 if (mncc->emergency) {
284 SCPY(p_dialinginfo.id, "emergency");
286 p_dialinginfo.sending_complete = 1;
288 /* bearer capability */
290 p_capainfo.bearer_capa = INFO_BC_SPEECH;
291 p_capainfo.bearer_info1 = (options.law=='a')?3:2;
292 p_capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
293 p_capainfo.source_mode = B_MODE_TRANSPARENT;
294 p_g_mode = p_capainfo.source_mode;
298 /* what infos did we got ... */
299 gsm_trace_header(p_g_interface_name, this, msg_type, DIRECTION_IN);
300 if (p_callerinfo.id[0])
301 add_trace("calling", "number", "%s", p_callerinfo.id);
303 SPRINT(p_callerinfo.id, "imsi-%s", p_callerinfo.imsi);
304 add_trace("calling", "imsi", "%s", p_callerinfo.imsi);
305 add_trace("dialing", "number", "%s", p_dialinginfo.id);
308 /* create endpoint */
310 FATAL("Incoming call but already got an endpoint.\n");
311 if (!(epoint = new Endpoint(p_serial, 0)))
312 FATAL("No memory for Endpoint instance\n");
313 epoint->ep_app = new_endpointapp(epoint, 0, interface->app); //incoming
314 epointlist_new(epoint->ep_serial);
316 /* modify lchan to GSM codec V1 */
317 gsm_trace_header(p_g_interface_name, this, MNCC_LCHAN_MODIFY, DIRECTION_OUT);
318 mode = create_mncc(MNCC_LCHAN_MODIFY, p_g_callref);
319 mode->lchan_mode = 0x01; /* GSM V1 */
320 mode->lchan_type = 0x02;
321 add_trace("mode", NULL, "0x%02x", mode->lchan_mode);
323 send_and_free_mncc(p_g_lcr_gsm, mode->msg_type, mode);
325 /* send call proceeding */
326 gsm_trace_header(p_g_interface_name, this, MNCC_CALL_PROC_REQ, DIRECTION_OUT);
327 proceeding = create_mncc(MNCC_CALL_PROC_REQ, p_g_callref);
329 proceeding->fields |= MNCC_F_PROGRESS;
330 proceeding->progress.coding = 3; /* GSM */
331 proceeding->progress.location = 1;
332 proceeding->progress.descr = 8;
333 add_trace("progress", "coding", "%d", proceeding->progress.coding);
334 add_trace("progress", "location", "%d", proceeding->progress.location);
335 add_trace("progress", "descr", "%d", proceeding->progress.descr);
338 send_and_free_mncc(p_g_lcr_gsm, proceeding->msg_type, proceeding);
340 new_state(PORT_STATE_IN_PROCEEDING);
342 if (p_g_tones && !p_g_tch_connected) { /* only if ... */
343 gsm_trace_header(p_g_interface_name, this, MNCC_FRAME_RECV, DIRECTION_OUT);
345 frame = create_mncc(MNCC_FRAME_RECV, p_g_callref);
346 send_and_free_mncc(p_g_lcr_gsm, frame->msg_type, frame);
347 p_g_tch_connected = 1;
350 /* send setup message to endpoit */
351 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_SETUP);
352 message->param.setup.port_type = p_type;
353 // message->param.setup.dtmf = 0;
354 memcpy(&message->param.setup.dialinginfo, &p_dialinginfo, sizeof(struct dialing_info));
355 memcpy(&message->param.setup.callerinfo, &p_callerinfo, sizeof(struct caller_info));
356 memcpy(&message->param.setup.capainfo, &p_capainfo, sizeof(struct capa_info));
357 SCPY((char *)message->param.setup.useruser.data, (char *)mncc->useruser.info);
358 message->param.setup.useruser.len = strlen(mncc->useruser.info);
359 message->param.setup.useruser.protocol = mncc->useruser.proto;
360 message->param.setup.rtpinfo.payload_type = 3; /* FIXME: receive payload type from peer */
362 if (p_g_rtp_bridge) {
363 struct gsm_mncc_rtp *rtp;
365 PDEBUG(DEBUG_GSM, "Request RTP peer info, before forwarding setup\n");
366 p_g_setup_pending = message;
367 rtp = (struct gsm_mncc_rtp *) create_mncc(MNCC_RTP_CREATE, p_g_callref);
368 send_and_free_mncc(p_g_lcr_gsm, rtp->msg_type, rtp);
370 message_put(message);
375 * BSC sends message to port
377 int message_bsc(struct lcr_gsm *lcr_gsm, int msg_type, void *arg)
379 struct interface *interface = lcr_gsm->interface;
380 struct gsm_mncc *mncc = (struct gsm_mncc *)arg;
381 unsigned int callref = mncc->callref;
383 class Pgsm_bs *pgsm_bs = NULL;
385 // struct mISDNport *mISDNport;
387 /* Special messages */
392 callref = mncc->callref;
395 if ((port->p_type & PORT_CLASS_GSM_MASK) == PORT_CLASS_GSM_BS) {
396 pgsm_bs = (class Pgsm_bs *)port;
397 if (pgsm_bs->p_g_callref == callref) {
404 if (msg_type == GSM_TCHF_FRAME) {
406 /* inject DTMF, if enabled */
407 if (pgsm_bs->p_g_dtmf) {
408 unsigned char data[160];
411 for (i = 0; i < 160; i++) {
412 data[i] = pgsm_bs->p_g_dtmf[pgsm_bs->p_g_dtmf_index++];
413 if (pgsm_bs->p_g_dtmf_index == 8000)
414 pgsm_bs->p_g_dtmf_index = 0;
417 pgsm_bs->bridge_tx(data, 160);
419 pgsm_bs->frame_receive(arg);
420 /* if we do not bridge we need to inject audio, if available */
421 if (!pgsm_bs->p_bridge) {
422 unsigned char data[160];
425 i = pgsm_bs->read_audio(data, 160);
427 pgsm_bs->bridge_rx(data, i);
434 if (msg_type != MNCC_SETUP_IND)
438 mISDNport = mISDNport_first;
440 if (mISDNport->gsm_bs)
442 mISDNport = mISDNport->next;
445 struct gsm_mncc *rej;
447 rej = create_mncc(MNCC_REJ_REQ, callref);
448 rej->fields |= MNCC_F_CAUSE;
449 rej->cause.coding = 3;
450 rej->cause.location = 1;
451 rej->cause.value = 27;
452 gsm_trace_header(NULL, NULL, MNCC_REJ_REQ, DIRECTION_OUT);
453 add_trace("cause", "coding", "%d", rej->cause.coding);
454 add_trace("cause", "location", "%d", rej->cause.location);
455 add_trace("cause", "value", "%d", rej->cause.value);
457 send_and_free_mncc(lcr_gsm, rej->msg_type, rej);
461 /* creating port object, transparent until setup with hdlc */
462 SPRINT(name, "%s-%d-in", interface->name, 0);
463 if (!(pgsm_bs = new Pgsm_bs(PORT_TYPE_GSM_BS_IN, name, NULL, interface)))
464 FATAL("Cannot create Port instance.\n");
469 pgsm_bs->setup_ind(msg_type, callref, mncc);
472 case MNCC_RTP_CREATE:
473 pgsm_bs->rtp_create_ind(msg_type, callref, mncc);
476 case MNCC_RTP_CONNECT:
477 pgsm_bs->rtp_connect_ind(msg_type, callref, mncc);
480 case MNCC_START_DTMF_IND:
481 pgsm_bs->start_dtmf_ind(msg_type, callref, mncc);
484 case MNCC_STOP_DTMF_IND:
485 pgsm_bs->stop_dtmf_ind(msg_type, callref, mncc);
488 case MNCC_CALL_CONF_IND:
489 pgsm_bs->call_conf_ind(msg_type, callref, mncc);
493 pgsm_bs->alert_ind(msg_type, callref, mncc);
497 pgsm_bs->setup_cnf(msg_type, callref, mncc);
500 case MNCC_SETUP_COMPL_IND:
501 pgsm_bs->setup_compl_ind(msg_type, callref, mncc);
505 pgsm_bs->disc_ind(msg_type, callref, mncc);
511 pgsm_bs->rel_ind(msg_type, callref, mncc);
514 case MNCC_NOTIFY_IND:
515 pgsm_bs->notify_ind(msg_type, callref, mncc);
519 pgsm_bs->hold_ind(msg_type, callref, mncc);
522 case MNCC_RETRIEVE_IND:
523 pgsm_bs->retr_ind(msg_type, callref, mncc);
527 PDEBUG(DEBUG_GSM, "Pgsm_bs(%s) gsm port with (caller id %s) received unhandled nessage: 0x%x\n", pgsm_bs->p_name, pgsm_bs->p_callerinfo.id, msg_type);
533 void Pgsm_bs::message_setup(unsigned int epoint_id, int message_id, union parameter *param)
535 struct lcr_msg *message;
536 struct epoint_list *epointlist;
537 struct gsm_mncc *mncc;
539 /* copy setup infos to port */
540 memcpy(&p_callerinfo, ¶m->setup.callerinfo, sizeof(p_callerinfo));
541 memcpy(&p_dialinginfo, ¶m->setup.dialinginfo, sizeof(p_dialinginfo));
542 memcpy(&p_capainfo, ¶m->setup.capainfo, sizeof(p_capainfo));
543 memcpy(&p_redirinfo, ¶m->setup.redirinfo, sizeof(p_redirinfo));
545 /* no GSM MNCC connection */
546 if (p_g_lcr_gsm->mncc_lfd.fd < 0) {
547 gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
548 add_trace("failure", NULL, "No MNCC connection.");
550 message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
551 message->param.disconnectinfo.cause = 41; // temp. failure.
552 message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
553 message_put(message);
554 new_state(PORT_STATE_RELEASE);
555 trigger_work(&p_g_delete);
560 if (!p_dialinginfo.id[0]) {
561 gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
562 add_trace("failure", NULL, "No dialed subscriber given.");
564 message = message_create(p_serial, epoint_id, PORT_TO_EPOINT, MESSAGE_RELEASE);
565 message->param.disconnectinfo.cause = 28;
566 message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
567 message_put(message);
568 new_state(PORT_STATE_RELEASE);
569 trigger_work(&p_g_delete);
573 // SCPY(&p_m_tones_dir, param->setup.ext.tones_dir);
574 /* screen outgoing caller id */
575 do_screen(1, p_callerinfo.id, sizeof(p_callerinfo.id), &p_callerinfo.ntype, &p_callerinfo.present, p_g_interface_name);
577 /* attach only if not already */
578 epointlist = p_epointlist;
580 if (epointlist->epoint_id == epoint_id)
582 epointlist = epointlist->next;
585 epointlist_new(epoint_id);
588 gsm_trace_header(p_g_interface_name, this, 0, DIRECTION_OUT);
589 p_g_callref = new_callref++;
590 add_trace("callref", "new", "0x%x", p_g_callref);
593 gsm_trace_header(p_g_interface_name, this, MNCC_SETUP_REQ, DIRECTION_OUT);
594 mncc = create_mncc(MNCC_SETUP_REQ, p_g_callref);
595 /* caller information */
596 mncc->fields |= MNCC_F_CALLING;
597 mncc->calling.plan = 1;
598 switch (p_callerinfo.ntype) {
599 case INFO_NTYPE_UNKNOWN:
600 mncc->calling.type = 0x0;
602 case INFO_NTYPE_INTERNATIONAL:
603 mncc->calling.type = 0x1;
605 case INFO_NTYPE_NATIONAL:
606 mncc->calling.type = 0x2;
608 case INFO_NTYPE_SUBSCRIBER:
609 mncc->calling.type = 0x4;
611 default: /* INFO_NTYPE_NOTPRESENT */
612 mncc->fields &= ~MNCC_F_CALLING;
615 switch (p_callerinfo.screen) {
616 case INFO_SCREEN_USER:
617 mncc->calling.screen = 0;
619 default: /* INFO_SCREEN_NETWORK */
620 mncc->calling.screen = 3;
623 switch (p_callerinfo.present) {
624 case INFO_PRESENT_ALLOWED:
625 mncc->calling.present = 0;
627 case INFO_PRESENT_RESTRICTED:
628 mncc->calling.present = 1;
630 default: /* INFO_PRESENT_NOTAVAIL */
631 mncc->calling.present = 2;
634 if (mncc->fields & MNCC_F_CALLING) {
635 SCPY(mncc->calling.number, p_callerinfo.id);
636 add_trace("calling", "type", "%d", mncc->calling.type);
637 add_trace("calling", "plan", "%d", mncc->calling.plan);
638 add_trace("calling", "present", "%d", mncc->calling.present);
639 add_trace("calling", "screen", "%d", mncc->calling.screen);
640 add_trace("calling", "number", "%s", mncc->calling.number);
642 /* dialing information */
643 mncc->fields |= MNCC_F_CALLED;
644 if (!strncmp(p_dialinginfo.id, "imsi-", 5)) {
645 SCPY(mncc->imsi, p_dialinginfo.id+5);
646 add_trace("dialing", "imsi", "%s", mncc->imsi);
648 SCPY(mncc->called.number, p_dialinginfo.id);
649 add_trace("dialing", "number", "%s", mncc->called.number);
652 /* sending user-user */
654 /* redirecting number */
655 mncc->fields |= MNCC_F_REDIRECTING;
656 mncc->redirecting.plan = 1;
657 switch (p_redirinfo.ntype) {
658 case INFO_NTYPE_UNKNOWN:
659 mncc->redirecting.type = 0x0;
661 case INFO_NTYPE_INTERNATIONAL:
662 mncc->redirecting.type = 0x1;
664 case INFO_NTYPE_NATIONAL:
665 mncc->redirecting.type = 0x2;
667 case INFO_NTYPE_SUBSCRIBER:
668 mncc->redirecting.type = 0x4;
670 default: /* INFO_NTYPE_NOTPRESENT */
671 mncc->fields &= ~MNCC_F_REDIRECTING;
674 switch (p_redirinfo.screen) {
675 case INFO_SCREEN_USER:
676 mncc->redirecting.screen = 0;
678 default: /* INFO_SCREE_NETWORK */
679 mncc->redirecting.screen = 3;
682 switch (p_redirinfo.present) {
683 case INFO_PRESENT_ALLOWED:
684 mncc->redirecting.present = 0;
686 case INFO_PRESENT_RESTRICTED:
687 mncc->redirecting.present = 1;
689 default: /* INFO_PRESENT_NOTAVAIL */
690 mncc->redirecting.present = 2;
693 /* sending redirecting number only in ntmode */
694 if (mncc->fields & MNCC_F_REDIRECTING) {
695 SCPY(mncc->redirecting.number, p_redirinfo.id);
696 add_trace("redir", "type", "%d", mncc->redirecting.type);
697 add_trace("redir", "plan", "%d", mncc->redirecting.plan);
698 add_trace("redir", "present", "%d", mncc->redirecting.present);
699 add_trace("redir", "screen", "%d", mncc->redirecting.screen);
700 add_trace("redir", "number", "%s", mncc->redirecting.number);
702 /* bearer capability */
706 send_and_free_mncc(p_g_lcr_gsm, mncc->msg_type, mncc);
708 new_state(PORT_STATE_OUT_SETUP);
710 message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_PROCEEDING);
711 message_put(message);
713 new_state(PORT_STATE_OUT_PROCEEDING);
716 if (param->setup.rtpinfo.port) {
718 p_g_rtp_ip_remote = param->setup.rtpinfo.ip;
719 p_g_rtp_port_remote = param->setup.rtpinfo.port;
725 * endpoint sends messages to the port
727 int Pgsm_bs::message_epoint(unsigned int epoint_id, int message_id, union parameter *param)
729 if (Pgsm::message_epoint(epoint_id, message_id, param))
733 case MESSAGE_SETUP: /* dial-out command received from epoint */
734 if (p_state!=PORT_STATE_IDLE)
736 message_setup(epoint_id, message_id, param);
740 PDEBUG(DEBUG_GSM, "Pgsm_bs(%s) gsm port with (caller id %s) received unhandled nessage: %d\n", p_name, p_callerinfo.id, message_id);
746 int gsm_bs_exit(int rc)
748 /* free gsm instance */
750 if (gsm_bs->mncc_lfd.fd > -1) {
751 close(gsm_bs->mncc_lfd.fd);
752 unregister_fd(&gsm_bs->mncc_lfd);
755 del_timer(&gsm_bs->socket_retry);
764 int gsm_bs_init(struct interface *interface)
766 /* create gsm instance */
767 gsm_bs = (struct lcr_gsm *)MALLOC(sizeof(struct lcr_gsm));
769 gsm_bs->interface = interface;
770 gsm_bs->type = LCR_GSM_TYPE_NETWORK;
771 gsm_bs->sun.sun_family = AF_UNIX;
772 SCPY(gsm_bs->sun.sun_path, "/tmp/bsc_mncc");
774 memset(&gsm_bs->socket_retry, 0, sizeof(gsm_bs->socket_retry));
775 add_timer(&gsm_bs->socket_retry, mncc_socket_retry_cb, gsm_bs, 0);
777 /* do the initial connect */
778 mncc_socket_retry_cb(&gsm_bs->socket_retry, gsm_bs, 0);