WV-IMS RELAY AND INTEROPERABILITY METHODS

摘要

Mapping functionality is added in between a Wireless Village (WV) server (10) and a Presence, Messaging and Group (PMG) server (80) of a 3GPP IP (Internet Protocol) Multimedia Subsystem (IMS) (190) to permit interoperability between WV (10) and IMS clients for instant messaging and presence services for operators who have deployed both IMS (190) and WV (10). For an operator who has deployed WV (10) but not IMS (190), the mapping functionality is structured to permit an IMS device to register into WV system (10) via an IM/WV Relay that performs an SIP/CSP conversion to emulate a WV device login but to then use the SSP to maintain a session or to deliver a message or presence information. Likewise, a WV device can register directly into IMS (190) for operators not deploying WV (10) using the mapping functionality of the present invention, e.g., in an IMS/WV Relay.