Patent ID: 7359402
Filing Date: 2008-04-15
Classification: H04L,H04Q

Abstract:
1. A method of operating a communication system comprising a signaling processor and an interworking unit, the method comprising: in the signaling processor, receiving and processing signaling for a call to select a connection and a first bandwidth rate and transferring a first message to the interworking unit indicating the connection and the first bandwidth rate; in the interworking unit, receiving the first message and user communications for the call, and in response, transferring the user communications over the connection at the first bandwidth rate; in the interworking unit, detecting a trigger in the user communications, and in response, transferring the user communications over the connection at a second bandwidth rate and transferring a second message to the signaling processor indicating the second bandwidth rate; and in the signaling processor, selecting a billing rate for the call based on the second message.