Patent ID: 7957348

Claim:
A method comprising: receiving, at a network controller of a first communication network that communicatively couples at least one service region of the first communication network to a licensed wireless second communication network, a description of a bearer connection from a call server of the second communication network, the bearer connection to be established between the second communication network and a subscriber device; sending the description of the bearer connection from the network controller to the subscriber device to allow the subscriber device to establish the bearer connection through the network controller to the second communication network; receiving, at the network controller, connection information about the established bearer connection from the subscriber device; sending the connection information from the network controller to the call server to allow the call server to modify the bearer connection; before the bearer connection is modified by the call server, forwarding RTP packets in only one direction at the network controller from the subscriber device to a media gateway of the second communication network; and after the bearer connection is modified by the call server, forwarding RTP packets at the network controller (i) from the subscriber device to the media gateway and (ii) from the media gateway to the subscriber device.