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 ...

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 ...

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 ...