Patent ID: 7292590

Claim:
A method of transferring call control between a first terminal and a second terminal communicating through a cable IP network where the first terminal resides on an originating network and the second terminal resides on a receiving network, the method comprising: controlling, by a first service provider, access of the first terminal relative to the originating network and cable IP network via a provisionable module that enables the first terminal to respond to call setup and control messages, controlling, by a second service provider, access of the second terminal relative to the receiving network and the cable IP network via a provisionable module that enables the second terminal to respond to call setup and control messages supplied thereto, in response to a call control parameter issued by a call agent communicating with the originating and receiving networks over the cable IP network, provisioning the first terminal to respond to call setup and control messages issued directly from the receiving network whereby to effect a hand-off of control of the first terminal from the originating network to the receiving network.