diff --git a/core/AmB2ABSession.cpp b/core/AmB2ABSession.cpp
index 79695a69..65917669 100644
--- a/core/AmB2ABSession.cpp
+++ b/core/AmB2ABSession.cpp
@@ -182,14 +182,16 @@ void AmB2ABCallerSession::onB2ABEvent(B2ABEvent* ev)
 void AmB2ABCallerSession::connectCallee(const string& remote_party,
 					const string& remote_uri,
 					const string& local_party,
-					const string& local_uri)
+					const string& local_uri,
+					const string& headers)
 {
   if(callee_status != None)
     terminateOtherLeg();
 
   B2ABConnectLegEvent* ev = new B2ABConnectLegEvent(remote_party,remote_uri,
 						    local_party,local_uri,
-						    getLocalTag());
+						    getLocalTag(),
+						    headers);
 
   relayEvent(ev);
   callee_status = NoReply;
@@ -257,7 +259,7 @@ void AmB2ABCalleeSession::onB2ABEvent(B2ABEvent* ev)
       setCallgroup(co_ev->callgroup);
 			
       setNegotiateOnReply(true);
-      if (sendInvite()) {
+      if (sendInvite(co_ev->headers)) {
 	throw string("INVITE could not be sent\n");
       }
       return;
diff --git a/core/AmB2ABSession.h b/core/AmB2ABSession.h
index ed171f88..c0d49e2b 100644
--- a/core/AmB2ABSession.h
+++ b/core/AmB2ABSession.h
@@ -82,18 +82,21 @@ struct B2ABConnectLegEvent: public B2ABEvent
   string local_party;
   string local_uri;
   string callgroup;
+  string headers;
 
   B2ABConnectLegEvent(const string& remote_party,
 		      const string& remote_uri,
 		      const string& local_party,
 		      const string& local_uri,
-		      const string& callgroup)
+		      const string& callgroup,
+		      const string& headers)
     : B2ABEvent(B2ABConnectLeg),
-       remote_party(remote_party),
-       remote_uri(remote_uri),
-       local_party(local_party),
-       local_uri(local_uri),
-       callgroup(callgroup)
+    remote_party(remote_party),
+    remote_uri(remote_uri),
+    local_party(local_party),
+    local_uri(local_uri),
+    callgroup(callgroup),
+    headers(headers)
   {}
 };
 
@@ -214,7 +217,8 @@ class AmB2ABCallerSession: public AmB2ABSession
   void connectCallee(const string& remote_party,
 		     const string& remote_uri,
 		     const string& local_party,
-		     const string& local_uri);
+		     const string& local_uri,
+		     const string& headers="");
 
   // @see AmB2ABSession
   void terminateOtherLeg();