Patent ID: 8014384

Claim:
A network interface device adapted to receive a first telephone call via a Public Switched Telephone Network (PSTN) and a second telephone call via a Voice Over IP (VoIP) system, receipt of the first telephone call not concurrent with receipt of the second telephone call, the network interface device further adapted to extract CallerID information from an incoming cable IP call and deliver the CallerID information to a plurality of end devices, the network interface device comprising: a cable port; a call monitor adapted for extracting the CallerID information from the incoming cable IP call received via the cable port; a cache adapted for storing an IP address and a corresponding application port of one or more end devices of the plurality of end devices; a formatter adapted for formatting a CallerID data packet and for delivering the CallerID data packet to the plurality of end devices; and an output port via which the CallerID data packet is transmitted to the plurality of end devices using a multicast transmission, wherein a first end device of the plurality of end devices presents an audio representation of the CallerID information based on the CallerID data packet, and wherein a second end device of the plurality of end devices presents a visual representation of the CallerID information based on the CallerID data packet.