Patent ID: 8180034

Claim:
A packet based telephonic station operable for peer to peer session initiation protocol (SIP) communications, comprising: a computer telephony integration (CTI) sourcing functionality module embedded in the packet based telephonic station operable to convert SIP communications into a CTI format and communicate with a CTI server using CTI protocol; an initiator module operable responsive to a peer to peer SIP communication for the telephonic station to initiate operation of said CTI sourcing functionality module; wherein the CTI server controls a CTI application on a computer co-located to the packed based telephonic station in response to CTI communications from the packet based telephonic station and wherein the peer to peer SIP communication for the telephonic station is a SIP invite message transmitted to the telephonic station over a packet data network; and wherein the initiator module is operable to initiate operation of the CTI sourcing functionality module responsive to the SIP invite message.