Telephonic communications – Special services – Call diversion
Reexamination Certificate
2007-03-16
2011-11-15
Deane, Jr., William (Department: 2614)
Telephonic communications
Special services
Call diversion
C379S211010
Reexamination Certificate
active
08059809
ABSTRACT:
Systems and methods of establishing group calls are provided. Contact index information is synchronized between a communication unit and a contact synchronization server. A group call request message, including index information for one or more contacts, is sent from a communication unit to a signaling server. The signaling server uses the index information to obtain communication unit addresses from the contact synchronization server.
REFERENCES:
patent: 6385461 (2002-05-01), Raith
patent: 6624809 (2003-09-01), Kowaguchi
patent: 6625652 (2003-09-01), Miller et al.
patent: 2003/0028594 (2003-02-01), Laschkewitsch et al.
patent: 2003/0148779 (2003-08-01), Aravamudan et al.
patent: 2003/0152040 (2003-08-01), Crockett et al.
patent: 2003/0153343 (2003-08-01), Crockett et al.
patent: 2004/0013254 (2004-01-01), Hamberg et al.
patent: 2004/0064512 (2004-04-01), Arora et al.
patent: 2004/0093433 (2004-05-01), Armbruster et al.
patent: 2004/0203977 (2004-10-01), Kennedy
patent: 2005/0233776 (2005-10-01), Allen et al.
patent: 2006/0009249 (2006-01-01), Fu et al.
patent: 2006/0053208 (2006-03-01), Laurila et al.
patent: 2006/0256734 (2006-11-01), Erhart et al.
patent: 2007/0186002 (2007-08-01), Campbell et al.
patent: 2008/0183866 (2008-07-01), Maeda et al.
patent: 2009/0157732 (2009-06-01), Hao et al.
patent: 2009/0293069 (2009-11-01), Yang et al.
patent: 2010/0088430 (2010-04-01), Ton et al.
Kalathur Ramesh
Qu Jing
Zhang Qiang
Deane, Jr. William
Nextel Communications Inc.
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