Avaya is the latest maker of Internet phone equipment that believes it can succeed where Yahoo and Microsoft have struggled: selling instant messaging that's good enough for the business world. The ...

See how Nayatel SIP Trunk is transforming business communication in Pakistan with scalable internet-based voice solutions.

Update: We're in the last throes of winter break 2019, which means most Ars' home office phones can stay dormant for a few more days. As such, we've been resurfacing a few classics from the ...

In this chapter, we start putting into practice some of the SIP concepts learned so far. We will show some very simple programming examples that illustrate how SIP works. As was stated in previous ...

A perfect marriageRich Garboski voiceover Internet protocol (VOIP), Session Initiation Protocol (SIP), Internet VOIP technology and the mortgage industry Every so often, a new technology arrives on ...