do not allow an rtp message with zero type (issue #5749)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@7233 65c4cc65-6c06-0410-ace0-fbb531ad65f3
21 years ago · 45c15e8561
parent 5e3f4186da
commit 45c15e8561
1 changed files with 1 additions and 1 deletions
--- a/rtp.c
+++ b/rtp.c
@ -299,7 +299,7 @@ static struct ast_frame *process_rfc2833(struct ast_rtp *rtp, unsigned char *dat
 		}
 		resp = 0;
 		duration = 0;
-	} else if(rtp->dtmfduration && (duration < rtp->dtmfduration)) {
+	} else if (rtp->resp && rtp->dtmfduration && (duration < rtp->dtmfduration)) {
 		f = send_dtmf(rtp);
 	}
 	if (!(event_end & 0x80))