diff options
Diffstat (limited to 'channels/chan_sip.c')
| -rw-r--r-- | channels/chan_sip.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 577ac71e8..594f5e6a9 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -3043,6 +3043,11 @@ static struct ast_frame *sip_rtp_read(struct ast_channel *ast, struct sip_pvt *p /* We already hold the channel lock */ if (f->frametype == AST_FRAME_VOICE) { if (f->subclass != p->owner->nativeformats) { + if (!(f->subclass & p->jointcapability)) { + ast_log(LOG_DEBUG, "Bogus frame of format '%s' received from '%s'!\n", + ast_getformatname(f->subclass), p->owner->name); + return &null_frame; + } ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass); p->owner->nativeformats = f->subclass; ast_set_read_format(p->owner, p->owner->readformat); |