Patent ID: 6081708
Filing Date: 2000-06-27
Classification: H04W

Abstract:
A communication system for organizations wherein:communications are assured partly by (1) a private telecommunication network, having international coverage, and by (2) at least one other telecommunication network, said private telecommunications network having private network nodes;said communication system enables a user of an accredited mobile radio terminal to pre-empt the selection of at least part of a communication path by routing a call to a respective terminal through a respective one of said nodes of said private telecommunication network;said accredited mobile radio terminal has access to said respective node of said private telecommunication network via a base transceiver station of a digital cellular radio network;said accredited mobile radio terminal comprises:means for storing coded indications individually identifying at least one of said nodes of said private telecommunications network,means for combining an identification code, representing a geographical area in which said accredited mobile radio terminal is located, with at least one of said coded indications, to produce a combined code, andmeans for enabling said mobile radio terminal to transmit address information, said address information comprising:a private network node identification code, anda terminal number of said respective terminal; andsaid private network nodes comprise means for enabling said call to be placed to said respective terminal from said terminal number reaching said node with said identification code of that node.