Push-to-talk wireless telecommunications system utilizing a...

Details Push-to-talk wireless telecommunications system utilizing a... Push-to-talk wireless telecommunications system utilizing a...

2002-05-02

2010-11-02

Phan, Joseph T (Department: 2614)

Telephonic communications

Special services

Conferencing

C379S158000, C455S415000, C370S260000

Reexamination Certificate

active

07826603

ABSTRACT:
A method and system to provide push-to-talk from one user to another in a wireless packet data telecommunications network is described. The system may include: a wireless communication network including push-to-talk (PTT) functionality, with a Session Initiation Protocol (SIP) Proxy Server; a SIP Registrar and Location Server operable to store contact addresses of active mobile devices; a Realtime Transport Protocol (RTP) Media Gateway (PTT Server) operable to function as a call endpoint for each of a plurality of mobile devices wherein the plurality of mobile devices are segmented into membership groups, the PTT Server further operable to multicast a communication from one member of the group to the other members of the group; and an Internet Protocol (IP) network interconnecting the SIP Proxy server, the SIP Registrar and Location Server, and the PTT Server.

REFERENCES:
patent: 6154463 (2000-11-01), Aggarwal et al.
patent: 6295284 (2001-09-01), Maggenti
patent: 6321095 (2001-11-01), Gavette
patent: 6449491 (2002-09-01), Dailey
patent: 6477150 (2002-11-01), Maggenti et al.
patent: 6484037 (2002-11-01), Schmidt et al.
patent: 6901270 (2005-05-01), Beach
patent: 6930994 (2005-08-01), Stubbs
patent: 7016351 (2006-03-01), Farinacci et al.
patent: 2001/0038624 (2001-11-01), Greenberg et al.
patent: 2002/0042826 (2002-04-01), Gaus et al.

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