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 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 ...

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 ...

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 ...

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.