diff options
| -rw-r--r-- | channels/chan_sip.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 5896e6ed9..8d531c4a9 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -9290,15 +9290,18 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action ast_rtp_lookup_mime_multiple2(s3, NULL, newnoncodeccapability, 0, 0)); } - /* We are now ready to change the sip session and p->rtp and p->vrtp with the offered codecs, since - they are acceptable */ - ast_format_cap_copy(p->jointcaps, newjointcapability); /* Our joint codec profile for this call */ - ast_format_cap_copy(p->peercaps, newpeercapability); /* The other sides capability in latest offer */ - p->jointnoncodeccapability = newnoncodeccapability; /* DTMF capabilities */ - - if (ast_test_flag(&p->flags[1], SIP_PAGE2_PREFERRED_CODEC)) { /* respond with single most preferred joint codec, limiting the other side's choice */ - ast_codec_choose(&p->prefs, p->jointcaps, 1, &tmp_fmt); - ast_format_cap_set(p->jointcaps, &tmp_fmt); + if (portno != -1 || vportno != -1 || tportno != -1) { + /* We are now ready to change the sip session and p->rtp and p->vrtp with the offered codecs, since + they are acceptable */ + ast_format_cap_copy(p->jointcaps, newjointcapability); /* Our joint codec profile for this call */ + ast_format_cap_copy(p->peercaps, newpeercapability); /* The other sides capability in latest offer */ + p->jointnoncodeccapability = newnoncodeccapability; /* DTMF capabilities */ + + /* respond with single most preferred joint codec, limiting the other side's choice */ + if (ast_test_flag(&p->flags[1], SIP_PAGE2_PREFERRED_CODEC)) { + ast_codec_choose(&p->prefs, p->jointcaps, 1, &tmp_fmt); + ast_format_cap_set(p->jointcaps, &tmp_fmt); + } } /* Setup audio address and port */ |