Patent ID: 7020130

Claim:
An apparatus for supporting a plurality of data and voice services, the apparatus comprising: a network interface configured to receive a call from a calling party device to a called party device; signaling conversion logic configured to convert between Session Initiation Protocol (SIP) signaling and circuit-switched telephony signaling to support the call, wherein addressing information of the calling party device is preserved in the conversion and the called party device includes one of a telephone station or a SIP client, wherein a nature of address indicator is determined in the telephony signaling, and the address information pertaining to the calling party is formatted based on a state of the nature of the address indicator, the formatted address information being provided in an address specification parameter in a call setup message; a voice port coupled to the signaling conversion logic and configured to communicate selectively with the telephone station; and a data port configured to communicate selectively with the SIP client.