diff --git a/html5/verto/js/src/jquery.FSRTC.js b/html5/verto/js/src/jquery.FSRTC.js
index b63a57e4e9..7aa8f7bda7 100644
--- a/html5/verto/js/src/jquery.FSRTC.js
+++ b/html5/verto/js/src/jquery.FSRTC.js
@@ -558,8 +558,11 @@
 		video.optional.push({sourceId: obj.options.useCamera});
 	    }
 
-	    if (bestFrameRate && !window.moz) {
-		 video.optional.push({minFrameRate: bestFrameRate});
+	    if (bestFrameRate) {
+		video.optional.push({minFrameRate: bestFrameRate});
+		if (bestFrameRate < 30) {
+		    video.optional.push({maxFrameRate: bestFrameRate});
+		}
 	    }
 
 	} else {
diff --git a/html5/verto/video_demo/js/verto-min.js b/html5/verto/video_demo/js/verto-min.js
index 633be557c4..a204cf2285 100644
--- a/html5/verto/video_demo/js/verto-min.js
+++ b/html5/verto/video_demo/js/verto-min.js
@@ -50,7 +50,7 @@ if(obj.options.useVideo&&obj.options.localVideo){getUserMedia({constraints:{audi
 var video={};var bestFrameRate=obj.options.videoParams.vertoBestFrameRate;delete obj.options.videoParams.vertoBestFrameRate;video={mandatory:obj.options.videoParams,optional:[]}
 var useVideo=obj.options.useVideo;if(useVideo&&obj.options.useCamera&&obj.options.useCamera!=="none"){if(!video.optional){video.optional=[];}
 if(obj.options.useCamera!=="any"){video.optional.push({sourceId:obj.options.useCamera});}
-if(bestFrameRate&&!window.moz){video.optional.push({minFrameRate:bestFrameRate});}}else{console.log("Camera Disabled");video=false;useVideo=false;}
+if(bestFrameRate){video.optional.push({minFrameRate:bestFrameRate});if(bestFrameRate<30){video.optional.push({maxFrameRate:bestFrameRate});}}}else{console.log("Camera Disabled");video=false;useVideo=false;}
 return{audio:audio,video:video,useVideo:useVideo};}
 $.FSRTC.prototype.call=function(profile){checkCompat();var self=this;var screen=false;self.type="offer";if(self.options.videoParams&&self.options.screenShare){screen=true;}
 function onSuccess(stream){self.localStream=stream;if(screen){if(moz){self.constraints.OfferToReceiveVideo=false;}else{self.constraints.mandatory.OfferToReceiveVideo=false;}}