A robust push-to-talk service for wireless mesh networks
This model presents the architecture and protocol of a robust distributed PTT service for wireless mesh networks. The architecture supports any 802.11 clients with session initiation protocol (SIP) based VoIP software and enables the participation of regular phones. Collectively, the mesh nodes provide the illusion of a single third-party call controller, enabling clients to participate via any reachable mesh node. Each PTT group instantiates its own logical floor control manager highly available and resilient to mesh connectivity changes like node crashes and recoveries and network partitions and merges.
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