Patent ID: 6243383
Filing Date: 2001-06-05
Classification: H04L,H04Q

Abstract:
A method for routing a call across a first ATM network toward a second ATM network, each network having an addressing format, the addressing format of the first network being different from the addressing format of the second network, the call having an associated signaling message specifying a destination address in the second network, the method comprising the steps of:translating the destination address into a local address in the addressing format of the first network, wherein said step of translating further includes querying an address translation database populated with an address interface identifier pair to obtain the local address, wherein the interface identifier pair specifies as the local address the address of an egress port in the first network and specifies the destination address, and wherein the local address corresponds to the destination address such that routing the call to the local address causes the call to be routed toward the second network;repacking the signaling message with the local address as a routing address;routing the call through the first network using the local address; andrepacking the signaling message with the destination address as the routing address.