diff --git a/Samples/PeerConnection/CreateSessionObserver.cpp b/Samples/PeerConnection/CreateSessionObserver.cpp
index cc932dc..2c30693 100644
--- a/Samples/PeerConnection/CreateSessionObserver.cpp
+++ b/Samples/PeerConnection/CreateSessionObserver.cpp
@@ -4,12 +4,11 @@
 
 #include "CreateSessionObserver.h"
 #include "Console.h"
-#include "Peer.h"
 #include "SetLocalSessionDescriptionObserver.h"
 
 using namespace webrtc;
 
-CreateSessionObserver::CreateSessionObserver(Peer *peer): _peer(peer) {
+CreateSessionObserver::CreateSessionObserver(IPeer *peer): _peer(peer) {
 }
 
 void CreateSessionObserver::OnSuccess(SessionDescriptionInterface* desc) {
diff --git a/Samples/PeerConnection/CreateSessionObserver.h b/Samples/PeerConnection/CreateSessionObserver.h
index 51c9cae..f8a5321 100644
--- a/Samples/PeerConnection/CreateSessionObserver.h
+++ b/Samples/PeerConnection/CreateSessionObserver.h
@@ -6,17 +6,17 @@
 #define LIBWEBRTC_CREATEOFFEROBSERVER_H
 
 #include <webrtc/api/jsep.h>
-#include "Peer.h"
+#include "IPeer.h"
 
 class CreateSessionObserver: public webrtc::CreateSessionDescriptionObserver {
 public:
-  CreateSessionObserver(Peer *peer);
+  CreateSessionObserver(IPeer *peer);
 
   void OnSuccess(webrtc::SessionDescriptionInterface* desc);
   void OnFailure(const std::string& error);
 
 private:
-  Peer *_peer;
+  IPeer *_peer;
 
 protected:
   ~CreateSessionObserver() {}
diff --git a/Samples/PeerConnection/IPeer.h b/Samples/PeerConnection/IPeer.h
new file mode 100644
index 0000000..89ad821
--- /dev/null
+++ b/Samples/PeerConnection/IPeer.h
@@ -0,0 +1,27 @@
+//
+// Created by ax on 26/09/16.
+//
+
+#ifndef LIBWEBRTC_IPEER_H
+#define LIBWEBRTC_IPEER_H
+
+#include "webrtc/api/peerconnectioninterface.h"
+
+class IPeer {
+public:
+  virtual void CreateOffer(webrtc::CreateSessionDescriptionObserver *createSDPObserver) = 0;
+  virtual void CreateAnswer(webrtc::CreateSessionDescriptionObserver *createSDPObserver) = 0;
+
+  virtual bool AddIceCandidate(webrtc::IceCandidateInterface *candidate) = 0;
+
+  virtual void SetLocalSessionDescription(webrtc::SessionDescriptionInterface* desc,
+                                  webrtc::SetSessionDescriptionObserver *setSDPObserver) = 0;
+  virtual void SetRemoteSessionDescription(webrtc::SessionDescriptionInterface* desc,
+                                   webrtc::SetSessionDescriptionObserver *setSDPObserver) = 0;
+
+  virtual bool IsConnected() = 0;
+  virtual void SetDataChannel(webrtc::DataChannelInterface *dataChannel) = 0;
+  virtual void SendMessage(const std::string& message) = 0;
+};
+
+#endif //LIBWEBRTC_IPEER_H
diff --git a/Samples/PeerConnection/Peer.h b/Samples/PeerConnection/Peer.h
index 73d96dd..1225069 100644
--- a/Samples/PeerConnection/Peer.h
+++ b/Samples/PeerConnection/Peer.h
@@ -9,7 +9,9 @@
 #include "webrtc/api/test/fakeconstraints.h"
 #include "webrtc/api/peerconnectioninterface.h"
 
-class Peer : public webrtc::PeerConnectionObserver {
+#include "IPeer.h"
+
+class Peer: public IPeer {
 public:
   Peer();
   ~Peer();
diff --git a/Samples/PeerConnection/SetRemoteSessionDescriptionObserver.cpp b/Samples/PeerConnection/SetRemoteSessionDescriptionObserver.cpp
index 2635b42..0324a29 100644
--- a/Samples/PeerConnection/SetRemoteSessionDescriptionObserver.cpp
+++ b/Samples/PeerConnection/SetRemoteSessionDescriptionObserver.cpp
@@ -8,7 +8,7 @@
 
 
 SetRemoteSessionDescriptionObserver::SetRemoteSessionDescriptionObserver(
-    Peer *peer, webrtc::SessionDescriptionInterface* desc):
+    IPeer *peer, webrtc::SessionDescriptionInterface* desc):
     _peer(peer), _desc(desc) {
 }
 
diff --git a/Samples/PeerConnection/SetRemoteSessionDescriptionObserver.h b/Samples/PeerConnection/SetRemoteSessionDescriptionObserver.h
index 3530030..0102086 100644
--- a/Samples/PeerConnection/SetRemoteSessionDescriptionObserver.h
+++ b/Samples/PeerConnection/SetRemoteSessionDescriptionObserver.h
@@ -6,18 +6,18 @@
 #define LIBWEBRTC_SETREMOTESESSIONDESCRIPTIONOBSERVER_H
 
 #include <webrtc/api/jsep.h>
-#include "Peer.h"
+#include "IPeer.h"
 
 class SetRemoteSessionDescriptionObserver:
     public webrtc::SetSessionDescriptionObserver {
 public:
-  SetRemoteSessionDescriptionObserver(Peer *peer, webrtc::SessionDescriptionInterface* desc);
+  SetRemoteSessionDescriptionObserver(IPeer *peer, webrtc::SessionDescriptionInterface* desc);
 
   void OnSuccess();
   void OnFailure(const std::string& error);
 
 private:
-  Peer *_peer;
+  IPeer *_peer;
   webrtc::SessionDescriptionInterface* _desc;
 
 protected:
diff --git a/Samples/PeerConnection/main.cpp b/Samples/PeerConnection/main.cpp
index c99b3bb..648c493 100644
--- a/Samples/PeerConnection/main.cpp
+++ b/Samples/PeerConnection/main.cpp
@@ -12,7 +12,7 @@ enum {
   STATE_CHAT
 };
 
-static Peer *peer = NULL;
+static IPeer *peer = NULL;
 static int state = STATE_EXCHANGE;
 
 void HandleSDP(Json::Value object) {