diff --git a/samples/js/demos/html/dtmf1.html b/samples/js/demos/html/dtmf1.html
index cea7299c24..3233cab6f4 100644
--- a/samples/js/demos/html/dtmf1.html
+++ b/samples/js/demos/html/dtmf1.html
@@ -98,6 +98,10 @@ function gotDescription1(desc){
 }
 
 function gotDescription2(desc){
+  // Setting PCMU as the preferred codec.
+  desc.sdp = desc.sdp.replace(/m=.*\r\n/, "m=audio 1 RTP/SAVPF 0 126\r\n");
+  // Workaround for issue 1603.
+  desc.sdp = desc.sdp.replace(/.*fmtp.*\r\n/g, "");
   pc2.setLocalDescription(desc);
   trace("Answer from pc2 \n" + desc.sdp);
   pc1.setRemoteDescription(desc);
diff --git a/samples/js/demos/html/pc1-deprecated.html b/samples/js/demos/html/pc1-deprecated.html
deleted file mode 100644
index f12987da3c..0000000000
--- a/samples/js/demos/html/pc1-deprecated.html
+++ /dev/null
@@ -1,133 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-<title>PeerConnection Demo 1</title>
-<style>
-video {
-  border:5px solid black;
-  width:480px;
-  height:360px;
-}
-button {
-  font: 18px sans-serif;
-  padding: 8px;
-}
-textarea {
-  font-family: monospace;
-  margin: 2px;
-  width:480px;
-  height:640px;
-}
-</style>
-</head>
-<body>
-<video id="vid1" autoplay></video>
-<video id="vid2" autoplay></video>
-<br>
-<button id="btn1" onclick="start()">Start</button>
-<button id="btn2" onclick="call()">Call</button>
-<button id="btn3" onclick="hangup()">Hang Up</button>
-<br>
-<xtextarea id="ta1"></textarea>
-<xtextarea id="ta2"></textarea>
-<script>
-//var vid1 = document.getElementById("vid1");
-//var vid2 = document.getElementById("vid2");
-btn1.disabled = false;
-btn2.disabled = true;
-btn3.disabled = true;
-var pc1,pc2;
-var localstream;
-
-function trace(text) {
-  // This function is used for logging.
-  if (text[text.length - 1] == '\n') {
-    text = text.substring(0, text.length - 1);
-  }
-  console.log((performance.now() / 1000).toFixed(3) + ": " + text);
-}
-
-function gotStream(stream){
-  trace("Received local stream");
-  vid1.src = webkitURL.createObjectURL(stream);
-  localstream = stream;
-  btn2.disabled = false;
-}
-
-function start() {
-  trace("Requesting local stream");
-  btn1.disabled = true;
-  navigator.webkitGetUserMedia({audio:true, video:true},
-                               gotStream, function() {});
-}  
-  
-function call() {
-  btn2.disabled = true;
-  btn3.disabled = false;
-  trace("Starting call");
-  if (localstream.videoTracks.length > 0)
-    trace('Using Video device: ' + localstream.videoTracks[0].label);  
-  if (localstream.audioTracks.length > 0)
-    trace('Using Audio device: ' + localstream.audioTracks[0].label);
-
-  pc1 = new webkitPeerConnection00(null, iceCallback1);
-  trace("Created local peer connection object pc1"); 
-  pc2 = new webkitPeerConnection00(null, iceCallback2);
-  trace("Created remote peer connection object pc2");
-  pc2.onaddstream = gotRemoteStream; 
-
-  pc1.addStream(localstream);
-  trace("Adding Local Stream to peer connection");
-  var offer = pc1.createOffer(null);
-  trace("Created offer:\n" + offer.toSdp());
-  pc1.setLocalDescription(pc1.SDP_OFFER, offer);
-  trace("SetLocalDesc1");
-  pc2.setRemoteDescription(pc2.SDP_OFFER, offer);
-  trace("SetRemoteDesc2");
-  //ta1.value = offer.toSdp();
-  var answer = pc2.createAnswer(offer.toSdp(),
-                                {has_audio:true, has_video:true});
-  trace("Created answer:\n" + answer.toSdp());
-  pc2.setLocalDescription(pc2.SDP_ANSWER, answer);
-  trace("SetLocalDesc2");
-  pc1.setRemoteDescription(pc1.SDP_ANSWER, answer);
-  trace("SetRemoteDesc1");
-  //ta2.value = answer.toSdp();
-  pc1.startIce();
-  pc2.startIce();
-  trace("Started ICE for both local & remote");
-}
-
-function hangup() {
-  trace("Ending call");
-  pc1.close(); 
-  pc2.close();
-  pc1 = null;
-  pc2 = null;
-  btn3.disabled = true;
-  btn2.disabled = false;
-}
-
-function gotRemoteStream(e){
-  vid2.src = webkitURL.createObjectURL(e.stream);
-  trace("Received remote stream");
-}
-
-function iceCallback1(candidate,bMore){
-  if (candidate) {
-    pc2.processIceMessage(candidate);
-    trace("Local ICE candidate: " + candidate.toSdp());
-  }
-}
-      
-function iceCallback2(candidate,bMore){
-  if (candidate) {
-    pc1.processIceMessage(candidate);
-    trace("Remote ICE candidate: " + candidate.toSdp());
-  }
-}
-</script>
-</body>
-</html>
-
-
diff --git a/samples/js/demos/html/pranswer.html b/samples/js/demos/html/pranswer.html
index ba1949ec1d..d4425d619b 100644
--- a/samples/js/demos/html/pranswer.html
+++ b/samples/js/demos/html/pranswer.html
@@ -1,93 +1,106 @@
 <!DOCTYPE html>
 <html>
 <head>
-  <title>PeerConnection PRANSWER Demo</title>
-  <style>
-    video {
-      border:5px solid black;
-      width:320px;
-      height:240px;
-    }
-  </style>
-  </head>
-  <body>
-    <video id="vid1" autoplay="true" muted="true"></video>
-    <video id="vid2" autoplay></video>
-    <br>
-    <button id="btn1" onclick="start()">Call</button>
-    <button id="btn15" onclick="accept()">Accept</button>
-    <button id="btn2" onclick="stop()">Hang Up</button>
-    <script>
+<title>PeerConnection PRANSWER Demo</title>
+<!-- Load the polyfill to switch-hit between Chrome and Firefox -->
+<script src="../../base/adapter.js"></script>
+<style>
+video {
+  border:5px solid black;
+  width:320px;
+  height:240px;
+}
+</style>
+</head>
+<body>
+<video id="vid1" autoplay="true" muted="true"></video>
+<video id="vid2" autoplay></video>
+<br>
+<button id="btn1" onclick="start()">Call</button>
+<button id="btn2" onclick="accept()">Accept</button>
+<button id="btn3" onclick="stop()">Hang Up</button>
+<script>
 //var vid1 = document.getElementById("vid1");
 //var vid2 = document.getElementById("vid2");
 btn1.disabled = true;
 btn2.disabled = true;
+btn3.disabled = true;
 var pc1,pc2;
 var localstream;
-
-function trace(txt) {
-  // This function is used for logging.
-  console.log(txt);
-}
-      
-function traceCandidate(kind, cand) {
-  trace("Candidate(" + kind + "): " + cand.label + ": " + 
-        cand.toSdp().replace("\n", ""));
-}
-
-function gotStream(stream){
+var sdpConstraints = {'mandatory': {
+                        'OfferToReceiveAudio':true, 
+                        'OfferToReceiveVideo':true }};
+    
+function gotStream(stream) {
   trace("Received local stream");
-  vid1.src = webkitURL.createObjectURL(stream);
+  // Call the polyfill wrapper to attach the media stream to this element.
+  attachMediaStream(vid1, stream);
   localstream = stream;
   btn1.disabled = false;
 }
 
-navigator.webkitGetUserMedia({audio:true, video:true}, gotStream, function() {});
+getUserMedia({audio:true, video:true}, gotStream, function() {});
 
 function start() {
   btn1.disabled = true;
   btn2.disabled = false;
+  btn3.disabled = false;
   trace("Starting Call");
-  if (localstream.videoTracks.length > 0)
-    trace('Using Video device: ' + localstream.videoTracks[0].label);  // Prints audio & video device names
-  if (localstream.audioTracks.length > 0)
-    trace('Using Audio device: ' + localstream.audioTracks[0].label);
+  videoTracks = localstream.getVideoTracks();
+  audioTracks = localstream.getAudioTracks();
+  if (videoTracks.length > 0)
+    trace('Using Video device: ' + videoTracks[0].label);  
+  if (audioTracks.length > 0)
+    trace('Using Audio device: ' + audioTracks[0].label);
 
-  pc1 = new webkitPeerConnection00(null,iceCallback1);
-  trace("Created local peer connection object pc1"); 
-  pc2 = new webkitPeerConnection00(null,iceCallback2);
+  var servers = null;
+  pc1 = new RTCPeerConnection(servers);
+  trace("Created local peer connection object pc1");
+  pc1.onicecandidate = iceCallback1; 
+  pc2 = new RTCPeerConnection(servers);
   trace("Created remote peer connection object pc2");
+  pc2.onicecandidate = iceCallback2;
   pc2.onaddstream = gotRemoteStream; 
 
   pc1.addStream(localstream);
   trace("Adding Local Stream to peer connection");
-  var offer = pc1.createOffer(null);
-  trace("Created offer:\n" + offer.toSdp());
-  pc1.setLocalDescription(pc1.SDP_OFFER, offer);
-  trace("SetLocalDesc1");
-  pc2.setRemoteDescription(pc2.SDP_OFFER, offer);
-  trace("SetRemoteDesc2");
-  var answer = pc2.createAnswer(offer.toSdp(), {has_audio:true, has_video:true});
-  var sdp = answer.toSdp();
-  sdp = sdp.replace(/a=sendrecv/g, "a=inactive");
-  answer = new SessionDescription(sdp);
-  trace("Created answer:\n" + answer.toSdp());
-  pc2.setLocalDescription(pc2.SDP_PRANSWER, answer);
-  trace("SetLocalDesc2");
-  pc1.setRemoteDescription(pc1.SDP_PRANSWER, answer);
-  trace("SetRemoteDesc1");
-  pc1.startIce(); // Start finding local ice candidates. Once it finds candidates it will call icecallback
-  pc2.startIce(); //Starts finding remote ice candidates. Once it finds candidates it will call iceCallback2
-  trace("Start ICE for both local & remote");
+ 
+  pc1.createOffer(gotDescription1);
+  
+}
+
+function gotDescription1(desc) {
+  pc1.setLocalDescription(desc);
+  trace("Offer from pc1 \n" + desc.sdp);
+  pc2.setRemoteDescription(desc);
+  // Since the "remote" side has no media stream we need
+  // to pass in the right constraints in order for it to
+  // accept the incoming offer of audio and video.
+  pc2.createAnswer(gotDescription2, null, sdpConstraints);
+}
+
+function gotDescription2(desc) {
+  // Provisional answer, set a=inactive & set sdp type to pranswer.
+  desc.sdp = desc.sdp.replace(/a=recvonly/g, "a=inactive");
+  desc.type = "pranswer";
+  pc2.setLocalDescription(desc);
+  trace("Pranswer from pc2 \n" + desc.sdp);
+  pc1.setRemoteDescription(desc);
+}
+
+function gotDescription3(desc) {
+  // Final answer, setting a=recvonly & sdp type to answer.
+  desc.sdp = desc.sdp.replace(/a=inactive/g, "a=recvonly");
+  desc.type = "answer";
+  pc2.setLocalDescription(desc);
+  trace("Answer from pc2 \n" + desc.sdp);
+  pc1.setRemoteDescription(desc);
 }
 
 function accept() {
-  var sdp = pc1.remoteDescription.toSdp();
-  sdp = sdp.replace(/a=inactive/g, "a=sendrecv");
-  var answer = new SessionDescription(sdp);
-  pc2.setLocalDescription(pc1.SDP_ANSWER, answer);
-  pc1.setRemoteDescription(pc2.SDP_ANSWER, answer);
-  trace("Set final answer:" + sdp);
+  pc2.createAnswer(gotDescription3, null, sdpConstraints);
+  btn2.disabled = true;
+  btn1.disabled = false;
 }
 
 function stop() {
@@ -98,28 +111,28 @@ function stop() {
   pc2=null;
   btn2.disabled = true;
   btn1.disabled = false;
+  btn3.disabled = true;
 }
 
-function gotRemoteStream(e){
+function gotRemoteStream(e) {
   vid2.src = webkitURL.createObjectURL(e.stream);
-  trace("Received Remote Stream");
+  trace("Received remote stream");
 }
 
-function iceCallback1(candidate,bMore){
-  if (candidate) {
-    pc2.processIceMessage(candidate);
-    traceCandidate("local", candidate);
+function iceCallback1(event) {
+  if (event.candidate) {
+    pc2.addIceCandidate(new RTCIceCandidate(event.candidate));
+    trace("Local ICE candidate: \n" + event.candidate.candidate);
   }
 }
       
-function iceCallback2(candidate,bMore){
-  if (candidate) {
-    pc1.processIceMessage(candidate);
-    traceCandidate("remote", candidate);
+function iceCallback2(event) {
+  if (event.candidate) {
+    pc1.addIceCandidate(new RTCIceCandidate(event.candidate));
+    trace("Remote ICE candidate: \n " + event.candidate.candidate);
   }
-} 
+}
     </script>
   </body>
 </html>
 
-
diff --git a/samples/js/demos/index.html b/samples/js/demos/index.html
index de3d290281..5651ba7286 100644
--- a/samples/js/demos/index.html
+++ b/samples/js/demos/index.html
@@ -56,12 +56,6 @@
           <td>
             Shows how to set up a simple 1:1 audio only call.</td>
         </tr>
-				<tr>
-					<td>
-						<a href="html/pc1-deprecated.html">pc1-deprecated.html</a></td>
-					<td>
-						Like pc1.html, but uses PeerConnection00 instead of RTCPeerConnection.</td>
-				</tr>
 				<tr>
 					<td>
 						<a href="html/multiple.html">multiple.html</a></td>
