Systems and methods of establishing group calls

Details Systems and methods of establishing group calls Systems and methods of establishing group calls

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.

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