Patent ID: 6208864
Filing Date: 2001-03-27
Classification: H04M,H04W

Abstract:
A method for establishing a call path from a calling party to a called party at the called party's fixed telephone number utilizing the functionality of the Public Switched Telephone Network (PSTN) and the Cellular Network (CN) both locally provided by the same service provider, the PSTN including a central office (CO) serving the called party, the CN including a mobile switching center (MSC) serving the called party, the method comprising the steps ofstoring a routing table in the serving CO to special-handle an incoming call to the called party,when the calling party initiates the incoming call to the called party, directing the incoming call to the MSC as a special-handled call as determined from the routing table,initiating a special-handled outgoing call from the MSC to the called party through the serving CO using the fixed telephone number,processing the outgoing call as a special-handled call by the serving CO, andwhen the called party answers the outgoing call, switching the MSC to interconnect the incoming call with the outgoing call to thereby establish the call path.