Patent ID: 8238380

Claim:
A system for controlling the use of a communication channel in a communication network, comprising: a communication server that bridges a plurality of different types of communication networks including at least two selected from the group consisting of a public switched telephone network (PSTN), a voice over internet protocol (IP) network, a data network, a pager network, and a fax network, so that a user, after having identified to the server, using a client device in which a client program is being executed by a processor, another person to contact, can communicate with said another person through a channel, in one of said communication networks, that is selected and controlled by the server via a switch controller that controls a telecommunications switch to create the channel in one of the plurality of different types of communication networks, wherein the server is to receive from the user identification of her current location, and an indication that her location has changed, and wherein the server can then enable said another person to contact the user without said another person having to identify an address of the user.