A Robust Push-to-Talk Service for Wireless Mesh Networks
Source: Johns Hopkins University
Push-To-Talk (PTT) is a useful capability for rapidly deployable wireless mesh networks used by first responders. PTT allows several users to speak with each other while using a single, half-duplex, communication channel, such that only one user speaks at a time while all other users listen. Furthermore, enabling regular PSTN phone users (e.g., cell phones) to seamlessly participate in the wireless mesh PTT session is key to sup-porting the heterogeneous environment commonly found in such settings.