From e7e3511a47b383f21c30b03426e88685c7f62990 Mon Sep 17 00:00:00 2001
From: "S. Li" <sli@makawave.com>
Date: Sat, 4 Jul 2015 10:36:28 -0500
Subject: [PATCH] improve stability of callee #115

---
 packages/rocketchat-webrtc/webrtc.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/rocketchat-webrtc/webrtc.js b/packages/rocketchat-webrtc/webrtc.js
index 4f000ebae1fc5..9c857796a74b5 100644
--- a/packages/rocketchat-webrtc/webrtc.js
+++ b/packages/rocketchat-webrtc/webrtc.js
@@ -100,6 +100,9 @@ stream.on(Meteor.userId(), function(data) {
 	if (data.sdp) {
 		webrtc.pc.setRemoteDescription(new RTCSessionDescription(data.sdp));
 	} else {
-		webrtc.pc.addIceCandidate(new RTCIceCandidate(data.candidate));
+		if( ["closed", "failed", "disconnected", "completed"].indexOf(webrtc.pc.iceConnectionState) === -1)
+		  {
+			webrtc.pc.addIceCandidate(new RTCIceCandidate(data.candidate));
+		  }
 	}
 });
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