Cisco SIP based phones have SIP extensions that use the SIP protocol for Cisco proprietary operations like registering a Cisco SIP phone by MAC Address. This blog will take a high level look at ...

An organization that provides voice over IP (VoIP) service and enables calling from SIP phones to plain-old-telephone (POTS) lines and vice versa. SIP is the universal protocol used for Internet ...

SIP trunking is a type of protocol used for VoIP, although the relationship between the two has often been confused. In this article, we’ll take a close look at what exactly SIP is, what SIP trunks ...

Our content is funded in part by commercial partnerships, at no extra cost to you and without impact to our editorial impartiality. Click to Learn More The most reliable internet protocol (IP) desk ...

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best. Find out more about how we test. Yealink was established in 2001 in ...

Today as expected, Cisco announced they have finally embraced SIP (Session Initiation Protocol). The platform for doing so will be Cisco Unified CallManager5.0, the call-processing component of the ...

Cisco on Wednesday delivered patches to plug multiple overflow and denial of service vulnerabilities. In an advisory Cisco said multiple IP phone devices running the Skinny Client Control Protocol ...

The cord-cutting movement isn’t limited to consumer cable and Netflix. As Voice over Internet Protocol communication matures and as high-speed Internet becomes cheap and ubiquitous, an increasing ...

The best VoIP phone for small businesses is the Polycom VVX 601, because it’s a reliable and practical VoIP phone system, popular for its design and wealth of features. To top it all off, it’s one of ...