From b4250c87a53310d934052ef2226b9a5983ff9e6f Mon Sep 17 00:00:00 2001
From: Moises Silva <moy@sangoma.com>
Date: Mon, 20 Apr 2015 18:23:57 -0400
Subject: [PATCH] Fix switch_ivr_parse_event() to not hangup a session when
 there is no media yet

If the lead-frames header is set but there is no media ready yet do not
attempt to read media from the channel and continue with command execution

FS-7455 #resolve
---
 src/switch_ivr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/switch_ivr.c b/src/switch_ivr.c
index ad9b6b1139..9fb9b354d8 100644
--- a/src/switch_ivr.c
+++ b/src/switch_ivr.c
@@ -521,7 +521,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_parse_event(switch_core_session_t *se
 		elp = 1;
 	}
 
-	if (lead_frames) {
+	if (lead_frames && switch_channel_media_ready(channel)) {
 		switch_frame_t *read_frame;
 		int frame_count = atoi(lead_frames);
 		int max_frames = frame_count * 2;