Patent ID: 7729364

Claim:
A method of operating a communication device for a communication session wherein the communication device is coupled to an analog telephone and to a packet network, the method comprising: detecting an off-hook condition for the analog telephone and responsively transferring a dial tone to the analog telephone; detecting digit tones from the analog telephone that indicate a called number for the communication session and responsively transferring a first message indicating the called number to a packet network switch over a Digital Subscriber Line (DSL) link connected through a DSL multiplexer to the packet network; receiving a second message from the packet network switch over the DSL link indicating that a called party associated with the called number is being alerted and responsively transferring a ring tone to the analog telephone; receiving a third message from the packet network switch over the DSL link indicating that the called party has accepted the communication session and responsively stopping the transfer of the ring tone to the analog telephone; exchanging analog voice signals with the analog telephone and exchanging voice packets with the packet network over the DSL link; and interworking between the analog voice signals and the voice packets.