COntacts Copying problem Samsung Claxy 15700 portal

Hello All

I just purchased Galxy 5700 portal and this is my very first android phone I have insert the SIM and import all contacts to phone, but contacts are not shown in list but I can search the contacts by name.

how to fix that problem. Incoming calls also shown with NAME. its mean contacts are there but Idont know are they read by SIM or phone if they are imported in phone how to see them ?