Deutschetelekom Ag

Jens Nilsson

Thomas Dennert

Andreas Klein

Sabine Demel

Rainer Bremer

Jörg Thelen

An application server for managing communications towards a set of user entities, the set of user entities having a first user entity. The application server includes a receiver for receiving a first session initiation request, the first session initiation request having a public identification identifying the set of user entities, a processor for assigning a first user identification to the public identification, the user identification identifying the first user entity, and a transmitter for transmitting a second session initiation request to establish a communication link towards the first user entity, the second session initiation request including the first user identification.

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Niederkassel, Germany

Jens Nilsson