Learn how VoIP gateways translate analog/digital calls into IP traffic, their key features (QoS, SBCs, security), and why ...

Why Most Buyers Can Ignore the Question of SIP vs VoIP Your email has been sent Discover the differences between SIP vs VoIP and why those differences don’t really matter that much during the buying ...

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 ...

Secure SIP protects VoIP trafficSession Initiation Protocol has become the call control protocol of choice for VoIP networks because of its open and extensible nature. However, the integrity of call ...

eWEEK content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More. Avaya on Jan. 21 delivered on its promise to more broadly ...

In Part 1 of our SIP primer, I covered the SIP foundation layers starting from the message structure and ending with the SIP transactions. We saw how phone registrations and proxies could work using ...

Hermon Laboratories now offers VoIP and SIP test options for its fully automated TCA 8200 telecom conformance analyzer. The SIP add-on is also available as a stand-alone software application. With the ...

The VoIP landscape has changed over the years, with many providers evolving into more than just the desk-phone VoIP we used to know. VoIP companies continue to add ways to entice consumers and small ...

XO Communications has unveiled an enterprise-class, multi-site Session Initiation Protocol trunking solution designed to add flexibility and scalability to distributed voice network architecture for a ...

A VoIP / SIP Telephone Adapter that converts the analog to digital communication of your Telephone Entry Access Control System that is retrofittable Select Entry Systems, a Division of Select ...

Switzerland-based O-FONE (not to be confused with Microsoft’s oPhone) has released a SIP VoIP client for Symbian’s S60 platform. Perhaps more interesting than the client itself is their claim that ...