Patent ID: 7349690

Claim:
A method of terminating a media service in a system having a wireless device, a remote termination point, and a wireless network, the wireless network including a proxy server associated with the wireless device, the method comprising the steps of: establishing the media service over a connectionless packet-based transport protocol operating peer-to-peer between the wireless device and the remote termination point; sending a ping message from the proxy server to the wireless device to determine whether the wireless device remains in coverage; determining that the wireless device is out-of-coverage based upon a lack of a response from the wireless device; and sending a service release message from the proxy server to the remote termination point to alert the remote termination point to the out-of-coverage condition, further including a steps of setting up a media oath between the wireless device and the remote termination point for establishing the media service over said media path, wherein the proxy server comprises a service control server configured to perform said step of setting up the media path, wherein said service control server comprises a SIP proxy server.