diff --git a/apps/sbc/SBC.cpp b/apps/sbc/SBC.cpp
index 25175baa..c993e528 100644
--- a/apps/sbc/SBC.cpp
+++ b/apps/sbc/SBC.cpp
@@ -52,9 +52,6 @@ SBC - feature-wishlist
 
 using std::map;
 
-string SBCFactory::user;
-string SBCFactory::domain;
-string SBCFactory::pwd;
 AmConfigReader SBCFactory::cfg;
 AmSessionEventHandlerFactory* SBCFactory::session_timer_fact = NULL;
 
diff --git a/apps/sbc/SBC.h b/apps/sbc/SBC.h
index 33fe52d4..d0bada12 100644
--- a/apps/sbc/SBC.h
+++ b/apps/sbc/SBC.h
@@ -66,9 +66,6 @@ class SBCFactory: public AmSessionFactory,
 
   int onLoad();
   AmSession* onInvite(const AmSipRequest& req);
-  static string user;
-  static string domain;
-  static string pwd;
 
   static AmConfigReader cfg;
   static AmSessionEventHandlerFactory* session_timer_fact;
diff --git a/core/AmB2BSession.cpp b/core/AmB2BSession.cpp
index d18c94dd..7de5fbf3 100644
--- a/core/AmB2BSession.cpp
+++ b/core/AmB2BSession.cpp
@@ -595,18 +595,20 @@ int AmB2BCallerSession::relayEvent(AmEvent* ev)
 {
   if(other_id.empty()){
 
-    if(dynamic_cast<B2BEvent*>(ev)){
-
-      B2BSipEvent*     sip_ev = dynamic_cast<B2BSipEvent*>(ev);
-      B2BConnectEvent* co_ev  = dynamic_cast<B2BConnectEvent*>(ev);
-	    
-      if( (sip_ev && sip_ev->forward) || co_ev ) {
-	createCalleeSession();
-	if (other_id.length()) {
-	  MONITORING_LOG(getLocalTag().c_str(), "b2b_leg", other_id.c_str());
-	}
+    bool create_callee = false;
+    B2BSipEvent* sip_ev = dynamic_cast<B2BSipEvent*>(ev);
+    if (sip_ev && sip_ev->forward)
+      create_callee = true;
+    else
+      create_callee = dynamic_cast<B2BConnectEvent*>(ev) != NULL;
+
+    if (create_callee) {
+      createCalleeSession();
+      if (other_id.length()) {
+	MONITORING_LOG(getLocalTag().c_str(), "b2b_leg", other_id.c_str());
       }
     }
+
   }
 
   return AmB2BSession::relayEvent(ev);
diff --git a/core/AmB2BSession.h b/core/AmB2BSession.h
index cd554c7e..dfbb242b 100644
--- a/core/AmB2BSession.h
+++ b/core/AmB2BSession.h
@@ -81,18 +81,6 @@ struct B2BSipReplyEvent: public B2BSipEvent
   { }
 };
 
-/** \brief relay a message body to other leg in B2B session */
-struct B2BMsgBodyEvent : public B2BEvent {
-  string content_type;
-  string body;
-
-  B2BMsgBodyEvent(const string& content_type,
-		  const string& body)
-    : B2BEvent(B2BMsgBody),
-    content_type(content_type), body(body) { }
-  ~B2BMsgBodyEvent() { }
-};
-
 /** \brief trigger connecting the callee leg in B2B session */
 struct B2BConnectEvent: public B2BEvent
 {
diff --git a/core/AmSipDialog.cpp b/core/AmSipDialog.cpp
index 6b4ba01d..3554ee60 100644
--- a/core/AmSipDialog.cpp
+++ b/core/AmSipDialog.cpp
@@ -97,13 +97,14 @@ void AmSipDialog::updateStatus(const AmSipRequest& req)
     return;
   }
 
-  if ((req.method == "INVITE") && pending_invites) {      
-    reply_error(req,500, SIP_REPLY_SERVER_INTERNAL_ERROR,
-		"Retry-After: " + int2str(get_random() % 10) + CRLF);
-    return;
-  }
-  else {
-      pending_invites++;
+  if (req.method == "INVITE") {
+    if (pending_invites) {
+      reply_error(req,500, SIP_REPLY_SERVER_INTERNAL_ERROR,
+		  "Retry-After: " + int2str(get_random() % 10) + CRLF);
+      return;
+    }
+
+    pending_invites++;
   }
 
   r_cseq = req.cseq;
diff --git a/core/sip/udp_trsp.cpp b/core/sip/udp_trsp.cpp
index 9f081e21..6e7243f4 100644
--- a/core/sip/udp_trsp.cpp
+++ b/core/sip/udp_trsp.cpp
@@ -182,7 +182,7 @@ void udp_trsp::run()
 	return;
     }
 
-    DBG("Started UDP server listening to %s:%i\n",sock->get_ip(),sock->get_port());
+    DBG("Started UDP server listening on %s:%i\n",sock->get_ip(),sock->get_port());
 
     while(true){