Patent ID: 6094478
Filing Date: 2000-07-25
Classification: H04Q,H04W

Abstract:
A method of extending a subscriber directory number (DN) to one or more terminals each of which have different network directory numbers, comprising the steps of:(a) in response to an incoming call from a calling party to the subscriber directory number associated with a switch, flagging at said switch that the incoming call to the subscriber directory number requires special treatment and temporarily suspending regular call processing;(b) determining that the subscriber DN is one which is to be extended to include one or more terminals, each having different network directory numbers and determining that the incoming call is a first call attempt to the subscriber DN;(c) determining the DN of all terminals to which the subscriber DN is to be extended; and(d) initiating call setups to the subscriber directory number and to each DN determined in step (c) and alerting the terminal associated with the subscriber DN along with the terminals associated with the DN's determined in step (c).