Patent ID: 6868090

Claim:
A method for providing advanced intelligent network (AIN) supplementary services between an ITU H.323 endpoint and a service control point (SCP) having service logic programs (SLPs) and transaction capabilities applications part (TCAP) protocol support, the method comprising: providing an ITU H.450 interface in the SCP, the ITU H.450 interface communicating with the ITU H.323 endpoint in a packet switched network, and utilizing an ITU H.225 FACILITY message and an ITU H.450 application protocol data unit (APDU) to carry one or more of call-related information, operation codes and AIN messages between the ITU H.323 endpoint and the SCP; providing a transaction capabilities applications part (TCAP) interface to a Public Switched Telephone Network (PSTN); wherein the ITU H.225 FACILITY message is a user-to-user information element (UUIE) including one or more of a setup-UUIE, a connect-UUIE and a releaseComplete-UUIE.