Systems and methods of establishing group calls

Systems and methods of establishing group calls

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 signal...

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Hauptverfasser: Zhang, Qiang, Qu, Jing, Kalathur, Ramesh
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Sprache:eng
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creator Zhang, Qiang
Qu, Jing
Kalathur, Ramesh
description 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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title Systems and methods of establishing group calls
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