diff --git a/html5/verto/demo/js/verto-min.js b/html5/verto/demo/js/verto-min.js
index 7f249bd894..e871d56386 100644
--- a/html5/verto/demo/js/verto-min.js
+++ b/html5/verto/demo/js/verto-min.js
@@ -6,7 +6,7 @@ function getCodecPayloadType(sdpLine){var pattern=new RegExp('a=rtpmap:(\\d+) \\
 function setDefaultCodec(mLine,payload){var elements=mLine.split(' ');var newLine=[];var index=0;for(var i=0;i<elements.length;i++){if(index===3)
 newLine[index++]=payload;if(elements[i]!==payload)newLine[index++]=elements[i];}
 return newLine.join(' ');}
-$.FSRTC=function(options){this.options=$.extend({useVideo:null,useStereo:false,userData:null,iceServers:false,videoParams:{},callbacks:{onICEComplete:function(){},onICE:function(){},onOfferSDP:function(){}}},options);this.mediaData={SDP:null,profile:{},candidateList:[]};this.constraints={optional:[{'DtlsSrtpKeyAgreement':'true'}],mandatory:{OfferToReceiveAudio:true,OfferToReceiveVideo:this.options.useVideo?true:false,}};if(self.options.useVideo){self.options.useVideo.style.display='none';}
+$.FSRTC=function(options){this.options=$.extend({useVideo:null,useStereo:false,userData:null,iceServers:false,videoParams:{},audioParams:{},callbacks:{onICEComplete:function(){},onICE:function(){},onOfferSDP:function(){}}},options);this.mediaData={SDP:null,profile:{},candidateList:[]};this.constraints={optional:[{'DtlsSrtpKeyAgreement':'true'}],mandatory:{OfferToReceiveAudio:true,OfferToReceiveVideo:this.options.useVideo?true:false,}};if(self.options.useVideo){self.options.useVideo.style.display='none';}
 setCompat();checkCompat();};$.FSRTC.prototype.useVideo=function(obj){var self=this;if(obj){self.options.useVideo=obj;self.constraints.mandatory.OfferToReceiveVideo=true;}else{self.options.useVideo=null;self.constraints.mandatory.OfferToReceiveVideo=false;}
 if(self.options.useVideo){self.options.useVideo.style.display='none';}};$.FSRTC.prototype.useStereo=function(on){var self=this;self.options.useStereo=on;};$.FSRTC.prototype.stereoHack=function(sdp){var self=this;if(!self.options.useStereo){return sdp;}
 var sdpLines=sdp.split('\r\n');var opusIndex=findLine(sdpLines,'a=rtpmap','opus/48000'),opusPayload;if(opusIndex){opusPayload=getCodecPayloadType(sdpLines[opusIndex]);}
@@ -30,9 +30,9 @@ $.FSRTC.prototype.answer=function(sdp,onSuccess,onError){this.peer.addAnswerSDP(
 if(self.localStream){self.localStream.stop();self.localStream=null;}
 if(self.peer){console.log("stopping peer");self.peer.stop();}};$.FSRTC.prototype.createAnswer=function(sdp){var self=this;self.type="answer";self.remoteSDP=sdp;console.debug("inbound sdp: ",sdp);function onSuccess(stream){self.localStream=stream;self.peer=RTCPeerConnection({type:self.type,attachStream:self.localStream,onICE:function(candidate){return onICE(self,candidate);},onICEComplete:function(){return onICEComplete(self);},onRemoteStream:function(stream){return onRemoteStream(self,stream);},onICESDP:function(sdp){return onICESDP(self,sdp);},onChannelError:function(e){return onChannelError(self,e);},constraints:self.constraints,iceServers:self.options.iceServers,offerSDP:{type:"offer",sdp:self.remoteSDP}});onStreamSuccess(self);}
 function onError(){onStreamError(self);}
-getUserMedia({constraints:{audio:true,video:this.options.useVideo?{mandatory:this.options.videoParams,optional:[]}:null},video:this.options.useVideo?true:false,onsuccess:onSuccess,onerror:onError});};$.FSRTC.prototype.call=function(profile){checkCompat();var self=this;self.type="offer";function onSuccess(stream){self.localStream=stream;self.peer=RTCPeerConnection({type:self.type,attachStream:self.localStream,onICE:function(candidate){return onICE(self,candidate);},onICEComplete:function(){return onICEComplete(self);},onRemoteStream:function(stream){return onRemoteStream(self,stream);},onOfferSDP:function(sdp){return onOfferSDP(self,sdp);},onICESDP:function(sdp){return onICESDP(self,sdp);},onChannelError:function(e){return onChannelError(self,e);},constraints:self.constraints,iceServers:self.options.iceServers,});onStreamSuccess(self);}
+getUserMedia({constraints:{audio:{mandatory:this.options.audioParams,optional:[]},video:this.options.useVideo?{mandatory:this.options.videoParams,optional:[]}:null},video:this.options.useVideo?true:false,onsuccess:onSuccess,onerror:onError});};$.FSRTC.prototype.call=function(profile){checkCompat();var self=this;self.type="offer";function onSuccess(stream){self.localStream=stream;self.peer=RTCPeerConnection({type:self.type,attachStream:self.localStream,onICE:function(candidate){return onICE(self,candidate);},onICEComplete:function(){return onICEComplete(self);},onRemoteStream:function(stream){return onRemoteStream(self,stream);},onOfferSDP:function(sdp){return onOfferSDP(self,sdp);},onICESDP:function(sdp){return onICESDP(self,sdp);},onChannelError:function(e){return onChannelError(self,e);},constraints:self.constraints,iceServers:self.options.iceServers,});onStreamSuccess(self);}
 function onError(){onStreamError(self);}
-getUserMedia({constraints:{audio:true,video:this.options.useVideo?{mandatory:this.options.videoParams,optional:[]}:null},video:this.options.useVideo?true:false,onsuccess:onSuccess,onerror:onError});};window.moz=!!navigator.mozGetUserMedia;function RTCPeerConnection(options){var w=window,PeerConnection=w.mozRTCPeerConnection||w.webkitRTCPeerConnection,SessionDescription=w.mozRTCSessionDescription||w.RTCSessionDescription,IceCandidate=w.mozRTCIceCandidate||w.RTCIceCandidate;var STUN={url:!moz?'stun:stun.l.google.com:19302':'stun:23.21.150.121'};var TURN={url:'turn:homeo@turn.bistri.com:80',credential:'homeo'};var iceServers=null;if(options.iceServers){var tmp=options.iceServers;;if(typeof(tmp)==="boolean"){tmp=null;}
+getUserMedia({constraints:{audio:{mandatory:this.options.audioParams,optional:[]},video:this.options.useVideo?{mandatory:this.options.videoParams,optional:[]}:null},video:this.options.useVideo?true:false,onsuccess:onSuccess,onerror:onError});};window.moz=!!navigator.mozGetUserMedia;function RTCPeerConnection(options){var w=window,PeerConnection=w.mozRTCPeerConnection||w.webkitRTCPeerConnection,SessionDescription=w.mozRTCSessionDescription||w.RTCSessionDescription,IceCandidate=w.mozRTCIceCandidate||w.RTCIceCandidate;var STUN={url:!moz?'stun:stun.l.google.com:19302':'stun:23.21.150.121'};var TURN={url:'turn:homeo@turn.bistri.com:80',credential:'homeo'};var iceServers=null;if(options.iceServers){var tmp=options.iceServers;;if(typeof(tmp)==="boolean"){tmp=null;}
 if(tmp&&typeof(tmp)!=="array"){console.warn("iceServers must be an array, reverting to default ice servers");tmp=null;}
 iceServers={iceServers:tmp||[STUN]};if(!moz&&!tmp){if(parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2])>=28)TURN={url:'turn:turn.bistri.com:80',credential:'homeo',username:'homeo'};iceServers.iceServers=[STUN];}}
 var optional={optional:[]};if(!moz){optional.optional=[{DtlsSrtpKeyAgreement:true},{RtpDataChannels:options.onChannelMessage?true:false}];}
@@ -102,7 +102,7 @@ $.ajax({url:self.jsonrpcclient.options.ajaxUrl,data:$.toJSON(batch_request),data
 else handlers[response.id].error_cb(response.error,this);}
 else{if(!(response.id in handlers)&&'console'in window)console.log(response);else handlers[response.id].success_cb(response.result,this);}}
 if(typeof all_done_cb==='function')all_done_cb(result);};})(jQuery);(function($){var generateGUID=(typeof(window.crypto)!=='undefined'&&typeof(window.crypto.getRandomValues)!=='undefined')?function(){var buf=new Uint16Array(8);window.crypto.getRandomValues(buf);var S4=function(num){var ret=num.toString(16);while(ret.length<4){ret="0"+ret;}
-return ret;};return(S4(buf[0])+S4(buf[1])+"-"+S4(buf[2])+"-"+S4(buf[3])+"-"+S4(buf[4])+"-"+S4(buf[5])+S4(buf[6])+S4(buf[7]));}:function(){return'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g,function(c){var r=Math.random()*16|0,v=c=='x'?r:(r&0x3|0x8);return v.toString(16);});};$.verto=function(options,callbacks){var verto=this;$.verto.saved.push(verto);verto.options=$.extend({login:null,passwd:null,socketUrl:null,tag:null,videoParams:{},iceServers:false,ringSleep:6000},options);verto.sessid=$.cookie('verto_session_uuid')||generateGUID();$.cookie('verto_session_uuid',verto.sessid,{expires:1});verto.dialogs={};verto.callbacks=callbacks||{};verto.eventSUBS={};verto.rpcClient=new $.JsonRpcClient({login:verto.options.login,passwd:verto.options.passwd,socketUrl:verto.options.socketUrl,sessid:verto.sessid,onmessage:function(e){return verto.handleMessage(e.eventData);},onWSConnect:function(o){o.call('login',{});},onWSLogin:function(success){if(verto.callbacks.onWSLogin){verto.callbacks.onWSLogin(verto,success);}},onWSClose:function(success){if(verto.callbacks.onWSClose){verto.callbacks.onWSClose(verto,success);}
+return ret;};return(S4(buf[0])+S4(buf[1])+"-"+S4(buf[2])+"-"+S4(buf[3])+"-"+S4(buf[4])+"-"+S4(buf[5])+S4(buf[6])+S4(buf[7]));}:function(){return'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g,function(c){var r=Math.random()*16|0,v=c=='x'?r:(r&0x3|0x8);return v.toString(16);});};$.verto=function(options,callbacks){var verto=this;$.verto.saved.push(verto);verto.options=$.extend({login:null,passwd:null,socketUrl:null,tag:null,videoParams:{},audioParams:{},iceServers:false,ringSleep:6000},options);verto.sessid=$.cookie('verto_session_uuid')||generateGUID();$.cookie('verto_session_uuid',verto.sessid,{expires:1});verto.dialogs={};verto.callbacks=callbacks||{};verto.eventSUBS={};verto.rpcClient=new $.JsonRpcClient({login:verto.options.login,passwd:verto.options.passwd,socketUrl:verto.options.socketUrl,sessid:verto.sessid,onmessage:function(e){return verto.handleMessage(e.eventData);},onWSConnect:function(o){o.call('login',{});},onWSLogin:function(success){if(verto.callbacks.onWSLogin){verto.callbacks.onWSLogin(verto,success);}},onWSClose:function(success){if(verto.callbacks.onWSClose){verto.callbacks.onWSClose(verto,success);}
 verto.purge();}});if(verto.options.ringFile&&verto.options.tag){verto.ringer=$("#"+verto.options.tag);}
 verto.rpcClient.call('login',{});};$.verto.prototype.iceServers=function(on){var verto=this;verto.options.iceServers=on;};$.verto.prototype.loginData=function(params){verto.options.login=params.login;verto.options.passwd=params.passwd;verto.rpcClient.loginData(params);};$.verto.prototype.logout=function(msg){var verto=this;verto.rpcClient.closeSocket();verto.purge();};$.verto.prototype.login=function(msg){var verto=this;verto.logout();verto.rpcClient.call('login',{});};$.verto.prototype.message=function(msg){var verto=this;var err=0;if(!msg.to){console.error("Missing To");err++;}
 if(!msg.body){console.error("Missing Body");err++;}
@@ -192,7 +192,7 @@ dialog.verto.dialogs[dialog.callID]=dialog;var RTCcallbacks={};if(dialog.directi
 if(!dialog.params.remote_caller_id_name){dialog.params.remote_caller_id_name="Nobody";}
 if(!dialog.params.remote_caller_id_number){dialog.params.remote_caller_id_number="UNKNOWN";}
 RTCcallbacks.onMessage=function(rtc,msg){console.debug(msg);};RTCcallbacks.onAnswerSDP=function(rtc,sdp){console.error("answer sdp",sdp);};}else{dialog.params.remote_caller_id_name="Outbound Call";dialog.params.remote_caller_id_number=dialog.params.destination_number;}
-RTCcallbacks.onICESDP=function(rtc){if(rtc.type=="offer"){console.log("offer",rtc.mediaData.SDP);dialog.setState($.verto.enum.state.requesting);dialog.sendMethod("verto.invite",{sdp:rtc.mediaData.SDP});}else{dialog.setState($.verto.enum.state.answering);dialog.sendMethod(dialog.attach?"verto.attach":"verto.answer",{sdp:dialog.rtc.mediaData.SDP});}};RTCcallbacks.onICE=function(rtc){if(rtc.type=="offer"){console.log("offer",rtc.mediaData.candidate);return;}};RTCcallbacks.onError=function(e){console.error("ERROR:",e);dialog.hangup();};dialog.rtc=new $.FSRTC({callbacks:RTCcallbacks,useVideo:dialog.videoStream,useAudio:dialog.audioStream,useStereo:dialog.params.useStereo,videoParams:verto.options.videoParams,iceServers:verto.options.iceServers});dialog.rtc.verto=dialog.verto;if(dialog.direction==$.verto.enum.direction.inbound){if(dialog.attach){dialog.answer();}else{dialog.ring();}}};$.verto.dialog.prototype.invite=function(){var dialog=this;dialog.rtc.call();};$.verto.dialog.prototype.sendMethod=function(method,obj){var dialog=this;obj.dialogParams={};for(var i in dialog.params){if(i=="sdp"&&method!="verto.invite"&&method!="verto.attach"){continue;}
+RTCcallbacks.onICESDP=function(rtc){if(rtc.type=="offer"){console.log("offer",rtc.mediaData.SDP);dialog.setState($.verto.enum.state.requesting);dialog.sendMethod("verto.invite",{sdp:rtc.mediaData.SDP});}else{dialog.setState($.verto.enum.state.answering);dialog.sendMethod(dialog.attach?"verto.attach":"verto.answer",{sdp:dialog.rtc.mediaData.SDP});}};RTCcallbacks.onICE=function(rtc){if(rtc.type=="offer"){console.log("offer",rtc.mediaData.candidate);return;}};RTCcallbacks.onError=function(e){console.error("ERROR:",e);dialog.hangup();};dialog.rtc=new $.FSRTC({callbacks:RTCcallbacks,useVideo:dialog.videoStream,useAudio:dialog.audioStream,useStereo:dialog.params.useStereo,videoParams:verto.options.videoParams,audioParams:verto.options.audioParams,iceServers:verto.options.iceServers});dialog.rtc.verto=dialog.verto;if(dialog.direction==$.verto.enum.direction.inbound){if(dialog.attach){dialog.answer();}else{dialog.ring();}}};$.verto.dialog.prototype.invite=function(){var dialog=this;dialog.rtc.call();};$.verto.dialog.prototype.sendMethod=function(method,obj){var dialog=this;obj.dialogParams={};for(var i in dialog.params){if(i=="sdp"&&method!="verto.invite"&&method!="verto.attach"){continue;}
 obj.dialogParams[i]=dialog.params[i];}
 dialog.verto.rpcClient.call(method,obj,function(e){dialog.processReply(method,true,e);},function(e){dialog.processReply(method,false,e);});};function checkStateChange(oldS,newS){if(newS==$.verto.enum.state.purge||$.verto.enum.states[oldS.name][newS.name]){return true;}
 return false;}
diff --git a/html5/verto/demo/verto.js b/html5/verto/demo/verto.js
index 4325d56ecc..c6361f5f7c 100644
--- a/html5/verto/demo/verto.js
+++ b/html5/verto/demo/verto.js
@@ -473,6 +473,11 @@ function init() {
             "minWidth": "1280",
             "minHeight": "720"
         },
+	audioParams: {
+	    googAutoGainControl: false,
+	    googNoiseSuppression: false,
+	    googHighpassFilter: false
+	},
 	iceServers: $("#use_stun").is(':checked')
     },callbacks);
 
diff --git a/html5/verto/js/src/jquery.FSRTC.js b/html5/verto/js/src/jquery.FSRTC.js
index 877267a428..d4f25f4fb9 100644
--- a/html5/verto/js/src/jquery.FSRTC.js
+++ b/html5/verto/js/src/jquery.FSRTC.js
@@ -78,6 +78,7 @@
             userData: null,
 	    iceServers: false,
             videoParams: {},
+            audioParams: {},
             callbacks: {
                 onICEComplete: function() {},
                 onICE: function() {},
@@ -322,7 +323,10 @@
 
         getUserMedia({
             constraints: {
-                audio: true,
+                audio: {
+		    mandatory: this.options.audioParams,
+		    optional: []
+		},
                 video: this.options.useVideo ? {
                     mandatory: this.options.videoParams,
                     optional: []
@@ -379,7 +383,10 @@
 
         getUserMedia({
             constraints: {
-                audio: true,
+                audio: {
+		    mandatory: this.options.audioParams,
+		    optional: []
+		},
                 video: this.options.useVideo ? {
                     mandatory: this.options.videoParams,
                     optional: []
diff --git a/html5/verto/js/src/jquery.verto.js b/html5/verto/js/src/jquery.verto.js
index 583e3a62a7..a9f028d6d9 100644
--- a/html5/verto/js/src/jquery.verto.js
+++ b/html5/verto/js/src/jquery.verto.js
@@ -72,6 +72,7 @@
             socketUrl: null,
             tag: null,
             videoParams: {},
+            audioParams: {},
 	    iceServers: false,
             ringSleep: 6000
         },
@@ -1498,6 +1499,7 @@
             useAudio: dialog.audioStream,
             useStereo: dialog.params.useStereo,
             videoParams: verto.options.videoParams,
+            audioParams: verto.options.audioParams,
 	    iceServers: verto.options.iceServers
         });