diff options
Diffstat (limited to 'main/rtp.c')
| -rw-r--r-- | main/rtp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/main/rtp.c b/main/rtp.c index 6ac4fe7d8..424912202 100644 --- a/main/rtp.c +++ b/main/rtp.c @@ -1072,8 +1072,11 @@ static void process_rfc2833(struct ast_rtp *rtp, unsigned char *data, int len, u if (last_duration > 64000 && samples < last_duration) new_duration += 0xFFFF + 1; new_duration = (new_duration & ~0xFFFF) | samples; - - if (rtp->lastevent > seqno) { + /* The second portion of this check is to not mistakenly + * stop accepting DTMF if the seqno rolls over beyond + * 65535. + */ + if (rtp->lastevent > seqno && rtp->lastevent - seqno < 50) { /* Out of order frame. Processing this can cause us to * improperly duplicate incoming DTMF, so just drop * this. |