Patent ID: 7590132
Filing Date: 2009-09-15
Classification: H04L

Abstract:
1. A network device comprising: a processor to send and receive control and message traffic between the network device and other devices in a network; a first port to allow the network device to communicate with a first network, the first network being a circuit-switched network; a second port to allow the network device to communicate with a second network, the second network being a packet-switch network; a transcompression element to route in-band compression renegotiation messages and to transmit in-band renegotiation indication messages between the first and second networks, and wherein the processor is configured to monitor message traffic for in-band compression renegotiation messages during periods of compatible compression and decompression parameters receiving an indicator of compression renegotiation further comprising receiving a compression renegotiation indicator and transmitting an indicator of compression renegotiation acknowledgment further comprising transmitting a compression confirmation message in accordance with International Telecommunications Union standard V.44.