Patent ID: 6091968
Filing Date: 2000-07-18
Classification: H04M,H04W

Abstract:
Apparats for use in a communication system having an analog loop said apparatus comprising:a loop driver for driving said analog loop, and terminal equipment devices interconnected with said analog loop, said loop driver for receiving an incoming call which incoming call includes an indication indicating whether said incoming call is a voice call or a non-voice call, constructing a call-type signal based on said indication, transmitting said call-type signal on said analog loop and, thereafter, placing a ringing signal distinct from said call-type signal on said analog loop;at least one switch for connection to said analog loop, said at least one switch having a port for connection to a type of terminal equipment, said type of terminal equipment comprising voice call terminal equipment or non-voice call terminal equipment, said switch for receiving said call-type signal on said analog loop and for disconnecting said port from said loop if said call-type signal indicates a type of call not compatible with said type of terminal equipment.