Management calls ending in a cellular communication network based packet-switched protocols.

Communication network having a cellular network based on a packet switched (1) protocol, comprising a first layer (3) for transferring signaling information assigned to a telephone call that is processed by the communication network, and a second layer (4) for transferring payload information assigned to the telephone call, the network having communication interface means (20) for coupling the cellular telephone network (1) to another network (2), the medium comprising interface (20) a function exchange signaling information between the mobile telephone network (1) and another network (2) and a function of exchanging payload information between the mobile telephone network (1) and the other network (2), wherein the first layer (3) and the second layer (4) of the mobile network (1) coupled to the interface means (20), wherein the second layer (4) network mobile phone (1) it is adapted to transfer the Information n payload of the telephone call to and from the interface means (20) on a direct route (11) assigned to the telephone call within the second layer (4) and the first layer of the cellular telephone network (1) comprises means for controlling the routing of the telephone call initiated from the further network (2) and ending in the mobile telephone network based on a packet switched protocol (1).