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 ...

While setting up a SIP phone at home, I noticed something surprising - most SIP providers don't seem to offer any kind of encryption on the connection; both voice data and login data is done in clear ...

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 ...

Session Initiation Protocol (SIP) will allow true interoperability, eventually enabling every IP-based device and application to communicate seamlessly with one another. This guide discusses some of ...

The Test Center reviewed the snom M3, a wireless SIP phone that works like a normal cordless phone. You can keep it charged, and make a phone call regardless of where you are in the office. The M3 ...

The promise of SIP has always been interoperability, and the three SIP-based phone systems we reviewed demonstrate why real standards are important. The interoperability part of the equation works, ...

Positioned for different tiers of professional use, the T7 Series is designed for mid-range users, offering a refined design, color display, and essential intelligence for everyday communication. The ...