Patent ID: 6157640
Filing Date: 2000-12-05
Classification: H04M,H04Q

Abstract:
A method for providing different terminating call treatments for an incoming call towards a subscriber terminal, said subscriber terminal being served by a local exchange and currently connected to a first call connection, said method comprising the steps of:receiving, at said local exchange, an incoming call towards said connected subscriber terminal;invoking, by said local exchange in response to the receipt of said incoming call, a control module associated with said local exchange;transmitting, via out-of-band tones, first control data over said first call connection established between said local exchange and said subscriber terminal, said control data informing said subscriber terminal of the existence of said incoming call;receiving, via said out-of-band tones, second control data from said subscriber terminal over said first call connection, said second control data including an instruction to said control module for subscriber service treatment of said incoming call; andproviding one of said different call treatments to said incoming call as indicated by said received instruction,wherein said first and second control data are transmitted concurrently and in parallel with voice data across said first call connection.