Patent ID: 6070076
Filing Date: 2000-05-30
Classification: H04M,H04W

Abstract:
A method of identifying a mobile subscriber call within a wireless cellular network including a plurality of nodes, wherein each of said nodes es assigned a network signaling address, said method comprising the steps of:retrieving said network signaling address associated with a certain one of said nodes servicing said mobile subscriber call;generating a local call identifier locally identifying said mobile subscriber call;concatenating said network signaling address and said local call identifier to generate a unique network call identifier for said mobile subscriber call; andassociating said unique network call identifier with said mobile subscriber call at more than one node of said plurality of nodes, said more than one node serving said mobile subscriber call, wherein said seep of associating further the steps of:receiving an interoffice hand-off request for a mobile subscriber call by a first exchange from a second exchange;determining whether said mobile subscriber call received from said interoffice hand-off request has been assigned a unique network call identifier; andif said call is not assigned a unique network call identifier, then defining said first exchange as said certain one of the nodes.