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 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 ...

The resurgence of interest in VoIP to provide telephone services worldwide is often credited to the use of session initiation protocol (SIP) for signaling. Both residential and enterprise VoIP ...

GL Communications Inc., a global provider of voice testing solutions, announces significant enhancements to its SIP testing platform, enabling high-load, secure and automated generation of voice, ...

Motorola, Inc. (NYSE: MOT) has expanded its family of voice-enabled cable modems with the introduction of the SBV5100 series. The new models, based on the Session Initiation Protocol (SIP), one of the ...

VoIP phones offer the familiar look of a conventional desk phone with similar functionality, but aren’t as plug-and-go. Like so much networking kit, setting up a VoIP phone can be a very frustrating ...

Even many IT professionals haven't heard of the Session Initiation Protocol (SIP), so it's almost certain your users haven't. However, unless you're using an entirely proprietary Voice-over-IP (VoIP) ...

SIP vs VoIP: what's the difference? If you’re setting up a new VoIP business phone system, this question will sound familiar. You've likely run into the acronyms SIP, or Session Initiation Protocol ...

Chances are, your users haven't heard of Session Initiation Protocol (SIP) outside of any meetings you may have had with them concerning your company's telecommunications. But, in fact, SIP is ...