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 ...

When it comes to phones, we're all seeing new innovations coming into play, such as widespread adoption of IP-based telephony through Session Internet Protocol (SIP), or the ability to access the We b ...

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 ...

An interesting discussion on the Broadband forum of DSLReports.com documents how to reach a Google Voice number via a SIP phone. “this is a direct connection, without going through Gizmo or any other ...

VoIP phones offer the familiar look of a conventional desk phone with similar functionality, but aren’t as plug-and-go. Like so much networking kit, setting up a VoIP phone can be a very frustrating ...

How To Set Up Free SIP Calling On Any Device Your email has been sent Most people communicating on the internet are using SIP calling. Here’s how to make free SIP calls — and when you shouldn’t.