diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 1786e0a3b1..75417c7e79 100755 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -367,6 +367,7 @@ static int transmit_invite(struct sip_pvt *p, char *msg, int sendsdp, char *auth static int transmit_reinvite_with_sdp(struct sip_pvt *p, struct ast_rtp *rtp); static int transmit_info_with_digit(struct sip_pvt *p, char digit); static int transmit_message_with_text(struct sip_pvt *p, char *text); +static int transmit_refer(struct sip_pvt *p, char *dest); static int do_proxy_auth(struct sip_pvt *p, struct sip_request *req); static char *getsipuri(char *header); static void free_old_route(struct sip_route *route); @@ -996,6 +997,14 @@ static int sip_senddigit(struct ast_channel *ast, char digit) return 0; } +static int sip_transfer(struct ast_channel *ast, char *dest) +{ + struct sip_pvt *p = ast->pvt->pvt; + int res; + res = transmit_refer(p, dest); + return res; +} + static int sip_indicate(struct ast_channel *ast, int condition) { struct sip_pvt *p = ast->pvt->pvt; @@ -1076,6 +1085,7 @@ static struct ast_channel *sip_new(struct sip_pvt *i, int state, char *title) tmp->pvt->read = sip_read; tmp->pvt->write = sip_write; tmp->pvt->indicate = sip_indicate; + tmp->pvt->transfer = sip_transfer; tmp->pvt->fixup = sip_fixup; tmp->pvt->send_digit = sip_senddigit; tmp->pvt->bridge = ast_rtp_bridge; @@ -2620,6 +2630,15 @@ static int transmit_message_with_text(struct sip_pvt *p, char *text) return send_request(p, &req, 1, p->ocseq); } +static int transmit_refer(struct sip_pvt *p, char *dest) +{ + struct sip_request req; + reqprep(&req, p, "REFER", 0); + add_header(&req, "Refer-To", dest); + add_header(&req, "Referred-By", callerid); + return send_request(p, &req, 1, p->ocseq); +} + static int transmit_info_with_digit(struct sip_pvt *p, char digit) { struct sip_request req;