Patent ID: 6961333
Filing Date: 2005-11-01
Classification: H04L,H04M,H04Q

Abstract:
1. A method of processing a telephone call from a calling station to a called station that is busy as a result of having established a connection to a data network via an enhanced telephone switching system of the public switched network, said enhanced telephone switching system including a switching capability, a data network access capability for establishing said connection from said called station to said data network, and a call notification capability for alerting a subscriber at said called station to receipt of said call from said calling station via said connection to said data network, said method comprising the steps of receiving said call at said enhanced telephone switching system and, responsive to said called station being busy, said enhanced telephone switching system sending a message to said called station via said connection to said data network to alert a subscriber at said called station to the receipt of said call, and said enhanced telephone switching system connecting said calling station to said called station via said connection to said data network so that a caller at said calling station may communicate with said subscriber at said called station.