diff options
Diffstat (limited to 'channels')
| -rw-r--r-- | channels/chan_sip.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 8c54f02ba..961c8552c 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -10507,6 +10507,18 @@ static int process_sdp(struct sip_pvt *p, struct sip_request *req, int t38action * respond with the EC they want to use */ ast_udptl_set_error_correction_scheme(p->udptl, UDPTL_ERROR_CORRECTION_NONE); } + } else if (sscanf(m, "image %30u %17s t38%n", &x, protocol, &len) == 2 && len > 0) { + ast_log(LOG_WARNING, "Declining image stream due to unsupported transport: %s\n", m); + /* produce zero-port m-line since this is guaranteed to be declined + * length is "m=image 0 strlen(protocol) t38" + "\r\n\0" */ + if (!(offer->decline_m_line = ast_malloc(10 + strlen(protocol) + 7))) { + ast_log(LOG_WARNING, "Failed to allocate memory for SDP offer declination\n"); + res = -1; + goto process_sdp_cleanup; + } + /* guaranteed to be exactly the right length */ + sprintf(offer->decline_m_line, "m=image 0 %s t38\r\n", protocol); + continue; } else { ast_log(LOG_WARNING, "Rejecting image media offer due to invalid or unsupported syntax: %s\n", m); res = -1; |