Patent ID: 7545824
Filing Date: 2009-06-09
Classification: H04J,H04L,H04M,H04Q

Abstract:
1. A method of operating a communication system, the method comprising: in a signaling processor, receiving and processing a first message for a call to select a time division multiplex connection for the call, and transferring a second message indicating the selected time division multiplex connection; in an interworking unit, receiving the second message indicating the selected time division multiplex connection, receiving user communications for the call in a packet format, converting the user communications from the packet format to a time division multiplex format, and transferring the user communications in the time division multiplex format over the selected time division multiplex connection; in the interworking unit, after call set-up and during the call, monitoring the user communications for a trigger, and if the trigger is detected, transferring a third message indicating the trigger; and in the signaling processor, receiving and processing the third message to select routing information for routing the call to a service platform and transferring a fourth message indicating the selected routing information to route the call to the service platform.