A communication connection to a second user equipment (UE B) by a first user equipment (UE A) is requested, the request including a specific information element for an identification of UE B, a determination is made (S3) in a database on the basis of the specific information element identifying UE B's...http://www.google.com.au/patents/US20020097709?utm_source=gb-gplus-sharePatent US20020097709 - Method and device for performing a packet data communication
