diff -r 5886d40bb3de -r 2989b291cac7 voipplugins/sipconnectionprovider/src/scpvoiphandler.cpp
--- a/voipplugins/sipconnectionprovider/src/scpvoiphandler.cpp	Wed Sep 15 12:01:56 2010 +0300
+++ b/voipplugins/sipconnectionprovider/src/scpvoiphandler.cpp	Wed Oct 13 14:20:32 2010 +0300
@@ -17,6 +17,7 @@
 
 
 #include <e32property.h>
+#include <networkhandlingdomainpskeys.h>
 #include <spdefinitions.h>
 #include "scpvoiphandler.h"
 #include "scpprofilehandler.h"
@@ -26,6 +27,7 @@
 #include "scpsettinghandler.h"
 #include "scpsipconnection.h"
 #include "scputility.h"
+#include "scppropertynotifier.h"
 #include "csipclientresolverutils.h"
 
 // : These need to be in some common header
@@ -51,6 +53,8 @@
     SCPLOGSTRING2( "CScpVoipHandler[0x%x]::ConstructL", this );
     
     BaseConstructL();
+    iNetworkMode = CScpPropertyNotifier::NewL( KPSUidNetworkInfo, 
+        KNWTelephonyNetworkMode, *this ) ;
     iSipClientResolver = CSipClientResolverUtils::NewL();
     }
 
@@ -78,6 +82,7 @@
     {
     SCPLOGSTRING2( "CScpVoipHandler[0x%x]::~CScpVoipHandler", this );
     delete iSipClientResolver;
+    delete iNetworkMode;
     }
 
 // -----------------------------------------------------------------------------
@@ -193,11 +198,13 @@
                                                 TScpConnectionEvent aEvent )
     {
     SCPLOGSTRING4( "CScpVoipHandler[0x%x]::HandleSipConnectionEvent id: %d event: %d",
-        this, aProfileId, aEvent );
+                   this, aProfileId, aEvent );
 
     if( iSubService.SipProfileId() == aProfileId &&
         iSubService.EnableRequestedState() != CScpSubService::EScpNoRequest )
         {
+        // When in 2G mode with GPRS iap we are enabled but can't
+        // create or receive any VoIP calls
         if( aEvent == EScpRegistered &&
             iSubService.EnableRequestedState() == CScpSubService::EScpEnabled )
             {
@@ -205,11 +212,40 @@
             contactHeaderUser.CleanupClosePushL();
             GetSipProfileContactHeaderUserL( contactHeaderUser );
             
-            SCPLOGSTRING( "HandleSipConnectionEventL -> register client" );
+            HBufC* string = HBufC::NewLC(contactHeaderUser.Length());
+            string->Des().Copy(contactHeaderUser);
+         
+            SCPLOGSTRING2( "CScpVoipHandler::HandleSipConnectionEventL(), contactHeaderUser %S", string );
             
-            iSipClientResolver->RegisterClientWithUserL( 
-                GetCallProviderImplementationUidL(), contactHeaderUser, KResolver );
-            
+            CleanupStack::PopAndDestroy(string);
+
+            TInt networkMode = KErrNotFound;
+            TInt result = iNetworkMode->GetValue( networkMode );
+
+            if( result == KErrNone &&
+                networkMode == ENWNetworkModeGsm &&
+                iSubService.GetIapType() == EScpGprs )
+                {
+                aEvent = EScpBandwidthLimited;    
+                iSipClientResolver->UnRegisterClientWithUserL( 
+                    GetCallProviderImplementationUidL(), contactHeaderUser );
+                }
+            else if ( KErrNone == result &&
+                EScpGprs == iSubService.GetIapType() &&
+                !iSubService.ServiceStorage().SettingsHandler().IsVoIPOverWcdmaAllowedL( iSubService.SubServiceId() ) )
+                {
+                aEvent = EScpBearerNotSupported;
+                SCPLOGSTRING( "CScpVoipHandler::HandleSipConnectionEventL(), VoIP over 3G not allowed" );
+                iSipClientResolver->UnRegisterClientWithUserL( 
+                    GetCallProviderImplementationUidL(), contactHeaderUser );
+                }
+            else
+                {
+                iSipClientResolver->RegisterClientWithUserL( 
+                    GetCallProviderImplementationUidL(), contactHeaderUser, KResolver );
+                SCPLOGSTRING( "CScpVoipHandler::HandleSipConnectionEventL(), client resolver" );
+                }
+
             CleanupStack::PopAndDestroy( &contactHeaderUser );
             }