Patent ID: 6526063
Filing Date: 2003-02-25
Classification: H04L

Abstract:
A method of interworking between a first network having a first native protocol, and a second network having a second native protocol for implementation by a first IWF (interworking function) located at a first interface between the two networks, the method comprising:a) the first IWF maintaining a dedicated signalling connection to a second IWF located at a second interface between the two networks; b) upon receipt of a setup message from the first network, the first IWF assigning a data connection between the first IWF and the second IWF and forwarding the setup message over the signalling connection to the second IWF; wherein the first network is a FR (frame relay) network and the second network is an ATM (asynchronous transfer mode) network, and the setup message is an FR setup message, and said dedicated signalling channel is a first ATM VCC, and said data connection is a second ATM VCC.