Patent ID: 8411671

Claim:
A method of operating a tandem network wherein an originating device coupled to an originating network requests a media call to a terminating device coupled to a terminating network, the method comprising: in the tandem network, receiving a signaling message for the media call transferred by the originating network and retrieving a first number for the originating device and a second number for the terminating device from the signaling message; processing the first number and the second number to determine a loss adjustment for the media call and to select one of the originating device and the terminating device to make the loss adjustment by processing at least the first number to determine if the originating device can make the loss adjustment and processing at least the second number to determine if the terminating device can make the loss adjustment; and transferring a loss instruction indicating the loss adjustment to one of the originating network and the terminating network for delivery to the selected device, wherein the selected device receives the loss instruction and responsively makes the loss adjustment for the media call.