Abstract :
The authors begin by discussing the components of voice over IP (VoIP). They go on to consider SS7, H.323, SIP (session initiation protocol), voice coders, ITU-T specifications, RTP (real time transport protocol), gateway control, wireless networks, quality of service, packet loss, jitter, latency and bit rate
Keywords :
Internet telephony; packet switching; quality of service; telecommunication signalling; telecommunication standards; transport protocols; vocoders; H.323; RTP; SIP; SS7; TU-T specifications; VoIP; bit rate; gateway control; jitter; latency; packet loss; quality of service; real time transport protocol; session initiation protocol; voice coders; voice over IP; wireless networks; Access protocols; Circuits; Delay effects; IP networks; Internet telephony; Jitter; Out of order; Telecommunication control; Transport protocols; Wireless networks;