diff options
| -rw-r--r-- | channels/chan_sip.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index 1982f1fc8..e68718646 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -5647,7 +5647,13 @@ static struct ast_frame *sip_read(struct ast_channel *ast) } } + /* Only allow audio through if they sent progress with SDP, or if the channel is actually answered */ + if (p->invitestate != INV_EARLY_MEDIA && ast->_state != AST_STATE_UP) { + fr = &ast_null_frame; + } + sip_pvt_unlock(p); + return fr; } |