Patent ID: 7526313

Claim:
A method for use by call control equipment in switching communication operations for a mobile communication device between first and second wireless networks, the method comprising the acts of: receiving, at the call control equipment, a call request for a call from a calling party to a mobile communication device which operates in one of the first wireless network and the second wireless network, where the call request was initiated with use of a first identification number of the mobile communication device which identifies the mobile communication device in the first wireless network; in response to receiving the call request when the mobile communication device is operating in the first wireless network: causing the call to be connected through the call control equipment to the mobile communication device in the first wireless network with use of the first identification number of the mobile communication device which identifies the mobile communication device in the first wireless network; after the call is connected, in response to a predetermined condition indicative of a switching of communication operation of the mobile communication device from the first wireless network to the second wireless network, causing a connecting call to be established with the mobile communication device in the second wireless network via the call control equipment; in response to receiving the call request when the mobile communication device is operating in the second wireless network: causing the call to be connected through the call control equipment to the mobile communication device in the second wireless network with use of a second identification number which identifies the mobile communication device in the second wireless network; and after the call is connected, in response to identifying a predetermined condition indicative of a switching of communication operation of the mobile communication device from the second wireless network to the first wireless network, causing a connecting call to be established with the mobile communication device in the first wireless network via the call equipment.