From: Joshua Colp <jcolp@digium.com>
Date: Mon, 21 Apr 2008 14:39:32 +0000 (+0000)
Subject: Only drop audio if we receive it without a progress indication. We allow other frames... 
X-Git-Tag: 1.4.20-rc1~37
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=3053679ade75bcbcc4194ca88195e7d3ca856aa4;p=thirdparty%2Fasterisk.git

Only drop audio if we receive it without a progress indication. We allow other frames through such as DTMF because they may be needed to complete the call.
(closes issue #12440)
Reported by: aragon


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@114322 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 9e7146a2ef..6eeea7e567 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -4386,7 +4386,7 @@ 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) {
+	if (fr->frametype == AST_FRAME_VOICE && p->invitestate != INV_EARLY_MEDIA && ast->_state != AST_STATE_UP) {
 		fr = &ast_null_frame;
 	}