Patent ID: 7039401

Claim:
A physical private mobile telecommunications network, comprising at least one first physical node and at least one second physical node, which can co-operate with respective different public mobile networks, said first physical node and second physical node having the respective following functionalities: a masking functionality for managing interworking with the respective public mobile networks and for managing a virtual user mobility between physical nodes as said physical nodes are involved, a filtering functionality for analyzing a number of an internal customer called/calling in relation to the caller or called party identity in order to ensure that respective call treatment methods registered in corresponding profiles, and an Incoming Call Screening functionality are carried out an intelligent services and coordination management functionality setting up a call between physical node of origin and a visited physical node, and intelligent services inside respective physical nodes or made available by the public networks; and an interworking functionality configured to allow interworking between circuit-switched signalling on a GSM A interface, and signalling on Internet Protocol network (IP).