How is it possible that you have no Normalization rules defined? The OCs Management Console will not let you save or edit changes to a Location Profile which contains no Normalization Rules.
Either way, if a full RFC3966 string is dialed and it matches exactly what the user's Line URI is then the call should complete even without a matching Normalziation pattern (I just tested this in my lab to confirm).
Jeff Schertz, PointBridge | MVP | MCITP: Enterprise Messaging | MCTS: OCS