--- a/phoneengine/engineinfo/inc/mpedatastore.h	Tue Feb 02 00:10:04 2010 +0200
+++ b/phoneengine/engineinfo/inc/mpedatastore.h	Fri Mar 19 09:28:42 2010 +0200
@@ -735,7 +735,7 @@
          * @param aCallId, is the call identification number.
          */
          virtual void SetRemoteColpNumber(
-             const TPEPhoneNumber& aColpNumber, 
+             TPEPhoneNumber& aColpNumber, 
              const TInt aCallId ) = 0;
 
          /**