US 7,480,915 B2 · WV-IMS relay and interoperability methods

Abstract

Mapping functionality is added in between a Wireless Village (WV) server and a Presence, Messaging and Group (PMG) server of a 3GPP IP (Internet Protocol) Multimedia Subsystem (IMS) to permit interoperability between WV and IMS clients for instant messaging and presence services for operators who have deployed both IMS and WV. Due to the possibility that an operator may have deployed WV but not IMS and due to the use of a Client-to-Server Protocol (CSP) between WV clients and WV servers and the use of a Server-to-Server Protocol (SSP) between WV servers, the mapping functionality is structured to permit an IMS device to register into WV system via an IMS/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 for operators not deploying WV using the mapping functionality of the present invention, e.g., in an IMS/WV Relay.

Claims16

Dependent claims

A method, comprising:

converting a register signal received according to a first protocol of a first network from a first device to a third protocol without using a first server of said first network, for providing a login request signal according to said third protocol for registering said first device of said first network in a second network using a second protocol so that said first device is then available for communication with a second device of said second network,
converting a presence request signal received according to said first protocol from said first server to said second protocol for requesting presence information of said second device from a second server of said second network according to a subscription to said presence information of said second device subscribed by said first device, and
converting a presence information signal according to said second protocol indicative of said presence information of said second device and received from said second server to said first protocol for transmission to said first server and onward to said first device.

An apparatus comprising:

first converter, responsive to an incoming first register signal from a first device in a first network, said first register signal provided according to a format of a first protocol wherein said first network uses said format of said first protocol to register devices in the first network and also responsive to a first control signal, for providing a first converted signal according to a format of a second protocol for registering said first device of said first network in a second network that uses said format of said second protocol to register devices in the second network;
and
a control, responsive to said incoming first register signal, for providing said first control signal;
wherein said first converter is responsive to a presence request signal received according to said second protocol from a server of said second network and to said first control signal for converting said presence request signal received according to said second protocol from said server of said second network to said first protocol for requesting presence information of said first device from a server of said first network, according to a subscription to said presence information of said first device subscribed by said second device, wherein said control is responsive to said presence request signal for providing said first control signal.

1 more element

Dependencies are inferred from the claim text.

WV-IMS relay and interoperability methods

Life of this patent

WV-IMS relay and interoperability methods

Life of this patent

Abstract

Claims16