Patent ID: 7835347
Filing Date: 2010-11-16
Classification: H04L

Abstract:
1. An Internet Protocol (IP) inter-working gateway between two different Internet Protocol (IP) domains of different types of IP networks in a Next Generation Network (NGN), comprising: a transport layer module which complies with the definition of a standard Transmission Control Protocol/Internet Protocol (TCP/IP) protocol stack, for determining a type of an IP packet from a source IP domain of a type of IP network, and transmitting the IP packet to a service module; the service module, for performing processing of signalling proxy, Real Time Transport Control Protocol (RTCP) and media conversion and/or processing of control protocol for the IP packet from the transport layer module according to the type of the IP packet, and transmitting the IP packet processed by the service module to a destination IP domain of a different type of IP network; wherein the service module comprises: