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 ...

eWEEK content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More. Session Initiation Protocol, a lightweight and extensible ...

At first glance, it seems surprising that a company with a huge stake in the PBX and carrier worlds would enter the PBX-less phone market. But in reality, it’s not surprising: By adding a solution for ...

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 ...