From 4edfc25a1fd7f702f34d8e8d4404d8ad485e1ba0 Mon Sep 17 00:00:00 2001 From: Joshua Colp Date: Thu, 6 Dec 2007 16:14:26 +0000 Subject: [PATCH] Add support for accepting and sending T.38 in the initial INVITE. (closes issue #9402) Reported by: thdei git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@91439 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- channels/chan_sip.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 31d1e32667..0407b27717 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -4052,6 +4052,10 @@ static struct ast_channel *sip_new(struct sip_pvt *i, int state, const char *tit if (i->rtp) ast_jb_configure(tmp, &global_jbconf); + /* If the INVITE contains T.38 SDP information set the proper channel variable so a created outgoing call will also have T.38 */ + if (i->udptl && i->t38.state == T38_PEER_DIRECT) + pbx_builtin_setvar_helper(tmp, "_T38CALL", "1"); + /* Set channel variables for this call from configuration */ for (v = i->chanvars ; v ; v = v->next) pbx_builtin_setvar_helper(tmp, v->name, v->value); @@ -12175,6 +12179,20 @@ static void handle_response_invite(struct sip_pvt *p, int resp, char *rest, stru if (p->owner && !ast_test_flag(req, SIP_PKT_IGNORE)) ast_queue_control(p->owner, AST_CONTROL_CONGESTION); ast_set_flag(&p->flags[0], SIP_NEEDDESTROY); + } else if (p->udptl && p->t38.state == T38_LOCAL_DIRECT) { + /* We tried to send T.38 out in an initial INVITE and the remote side rejected it, + right now we can't fall back to audio so totally abort. + */ + p->t38.state = T38_DISABLED; + /* Try to reset RTP timers */ + ast_rtp_set_rtptimers_onhold(p->rtp); + ast_log(LOG_ERROR, "Got error on T.38 initial invite. Bailing out.\n"); + + /* The dialog is now terminated */ + if (p->owner && !ast_test_flag(req, SIP_PKT_IGNORE)) + ast_queue_control(p->owner, AST_CONTROL_CONGESTION); + ast_set_flag(&p->flags[0], SIP_NEEDDESTROY); + sip_alreadygone(p); } else { /* We can't set up this call, so give up */ if (p->owner && !ast_test_flag(req, SIP_PKT_IGNORE))