For two codecs to successfully communicate via SIP through a SIP server, information must be exchanged between the two devices. Codecs manufactured by members of the Audio-via-IP Experts Group are SIP ...

While setting up a SIP phone at home, I noticed something surprising - most SIP providers don't seem to offer any kind of encryption on the connection; both voice data and login data is done in clear ...

Voice-over-IP (VoIP) networking comprises many components and network managers might find themselves treading on new and fragile ground as they investigate VoIP projects. This white paper provides an ...