This is one in a series of articles from the ebook “The Real World of AoIP.” Radio World asked several manufacturers to identify the most important technical development or trend in the use of AoIP.

SIP is the Session Initiation Protocol. In IP and traditional telephony, network engineers have always made a clear distinction between two different phases of a voice call. The first phase is “call ...

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 ...

GAITHERSBURG, Md., July 30, 2025 (GLOBE NEWSWIRE) -- GL Communications Inc., a global leader in telecom testing solutions, addressed the press regarding their SIP protocol emulation and testing ...

SIP is a protocol similar to HTTP that merely defines how two end-points find one another and exchange the information necessary to establish a session. But SIP, like HTTP, leaves the specifics of the ...

That's a matter of provider chosen codecs and settings. There are VoIP codecs that provide superior sound quality to the old analog phones. . . but most voip providers are providing the cheapest ...