static void sipsess_refer_handler(struct sip *sip, const struct sip_msg *msg, void *arg) { struct call *call = arg; const struct sip_hdr *hdr; int err; /* get the transfer target */ hdr = sip_msg_hdr(msg, SIP_HDR_REFER_TO); if (!hdr) { warning("call: bad REFER request from %r\n", &msg->from.auri); (void)sip_reply(sip, msg, 400, "Missing Refer-To header"); return; } /* The REFER creates an implicit subscription. * Reply 202 to the REFER request */ call->not = mem_deref(call->not); err = sipevent_accept(&call->not, uag_sipevent_sock(), msg, sipsess_dialog(call->sess), NULL, 202, "Accepted", 60, 60, 60, ua_cuser(call->ua), "message/sipfrag", auth_handler, call->acc, true, sipnot_close_handler, call, "Allow: %s\r\n", uag_allowed_methods()); if (err) { warning("call: refer: sipevent_accept failed: %m\n", err); return; } (void)call_notify_sipfrag(call, 100, "Trying"); call_event_handler(call, CALL_EVENT_TRANSFER, "%r", &hdr->val); }
/** * Transfer the call to a target SIP uri * * @param call Call object * @param uri Target SIP uri * * @return 0 if success, otherwise errorcode */ int call_transfer(struct call *call, const char *uri) { char *nuri; int err; if (!call || !uri) return EINVAL; err = normalize_uri(&nuri, uri, &call->acc->luri); if (err) return err; info("transferring call to %s\n", nuri); call->sub = mem_deref(call->sub); err = sipevent_drefer(&call->sub, uag_sipevent_sock(), sipsess_dialog(call->sess), ua_cuser(call->ua), auth_handler, call->acc, true, sipsub_notify_handler, sipsub_close_handler, call, "Refer-To: %s\r\n", nuri); if (err) { warning("call: sipevent_drefer: %m\n", err); } mem_deref(nuri); return err; }
int call_hangup(struct call *call, uint16_t scode, const char *reason) { int err = 0; if (!call) return EINVAL; switch (call->state) { case STATE_INCOMING: if (scode < 400) { scode = 486; reason = "Rejected"; } info("call: rejecting incoming call from %s (%u %s)\n", call->peer_uri, scode, reason); (void)sipsess_reject(call->sess, scode, reason, NULL); break; default: info("call: terminate call '%s' with %s\n", sip_dialog_callid(sipsess_dialog(call->sess)), call->peer_uri); call->sess = mem_deref(call->sess); break; } set_state(call, STATE_TERMINATED); call_stream_stop(call); return err; }