Parlay X Terminal Status over SIP/IMS allows the client application to request the status of an IMS terminal that work in conjunction with the IBM® WebSphere® Presence Server Component.
Parlay X Terminal Status over SIP/IMS queries Presence Server to retrieve the status of the IMS terminal (or terminals). When the state of the terminal changes, Presence Server sends a notification to the Parlay X Terminal Status over SIP/IMS Web service.