Patent ID: 6381453
Filing Date: 2002-04-30
Classification: H04M,H04W

Abstract:
In a telecommunications network having a first and a second system, and a subscriber station capable of receiving calls at a first number when operating in said first system and at a second number when operating in said second system, a method for controlling call forwarding, said method comprising the steps of:receiving a first message in the first system, said first message transmitted from the subscriber station and including a field, said field settable to at least a first or a second state; determining, responsive to receiving said first message, whether said field is set to said first state or said second state; and if it is determined that said field is set to said first state, registering said subscriber station in said first system and sending a second message to said second system; and if it is determined that said first field is set to said second state, registering said subscriber station in said first system without sending said second message to said second system.