--- a/phoneengine/engineinfo/src/cpeengineinfoimpl.cpp	Mon Jan 18 20:18:27 2010 +0200
+++ b/phoneengine/engineinfo/src/cpeengineinfoimpl.cpp	Tue Jan 26 11:57:27 2010 +0200
@@ -2546,7 +2546,7 @@
 // -----------------------------------------------------------------------------
 //
 void CPEEngineInfoImpl::SetRemoteColpNumber(
-    TPEPhoneNumber& aColpNumber, 
+    const TPEPhoneNumber& aColpNumber, 
     const TInt aCallId )
     {
     return ( *iRemoteInfo )[ aCallId ]->SetColpNumber( aColpNumber );