Patent ID: 6434385
Filing Date: 2002-08-13
Classification: H04B,H04W

Abstract:
A transfer control point for use in a system for connecting a telephone exchange in an isolated region to a fixed telephone network via trunks supported by a plurality of fixed mobile telephone terminals of a mobile telephone network, a plurality of user terminals being connected to the telephone switch, at least one transfer control point connecting the fixed telephone network and a mobile services switching center which is part of the mobile telephone network, the mobile services switching center connecting all the trunks supported by the fixed mobile telephone terminals to the transfer control point, the transfer control point comprising:means for making calls to the fixed mobile telephone terminals, means for dynamically managing the assignment of the trunks supported by the fixed mobile telephone terminals to telephone calls set up between the fixed telephone network and the user terminals connected to the switch in an isolated region, and means for transmitting the international mobile subscriber number of a mobile telephone terminal to the mobile services switching center by placing said international mobile subscriber number in the called address field of the SETUP message sent when setting up a connection supported by one of the fixed mobile telephone terminals.