Design and implementation of the push-to-talk service in ad hoc VoIP network

L.-H. Chang, C.-H. Sung, H.-C. Chu, J.-J. Liaw
2009 IET Communications  
Push-to-talk (PTT) is a walkie-talkie like service which performs an efficient and instant voice over Internet protocol (VoIP) communication in mobile ad hoc network especially for certain circumstances, such as battle field and earthquake or disaster relief. The authors have designed and implemented the PTT mechanism in ad hoc VoIP network. The PTT server and user agent combined with the pseudo session initiation protocol (SIP) server in the implementation provide the PTT service without
more » ... rvice without standalone SIP server support. The authors also conduct the experimental measurements, in terms of delay and packet loss, in the test-bed to demonstrate the realisation of PTT service in ad hoc VoIP network.
doi:10.1049/iet-com.2008.0329 fatcat:7h445rckezadjhvmqjuj576z7m