In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol’s inner workings fairly vague. This article will drill ...

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.

GAITHERSBURG, Md., July 31, 2025 (GLOBE NEWSWIRE) -- GL Communications Inc., a global leader in telecom testing solutions, addressed the press regarding their SIP protocol emulation and testing ...

Session Initiation Protocol (SIP) is a signaling protocol that is used to set up, modify, and terminate a session between two endpoints. SIP can be used to set up a two-party call, a multi-party call, ...

The session initiation protocol (SIP) is one of the most popular signaling protocols used in applications that require a session setup and parameter negotiation before actual communication, as well as ...

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 ...

Session Initiation Protocol (SIP) is a control (signaling) protocol developed by the Internet Engineering Task Force (IETF) to manage interactive multimedia IP sessions including IP telephony, ...