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 ...

Voice, video and IM are common multimedia applications that use SIP for transport. SIP was standardized in 1999 by the Internet Engineering Task Force as RFC (Request for Comments) 2543. Soon after, ...

Session initiation protocol (SIP) trunking is an increasingly popular way for small businesses to minimize their phone costs and improve their telecommunication bandwidth, but it can be a difficult ...

The most reliable internet protocol (IP) desk phone is Polycom VVX because its hardware is crafted to an extremely high standard, and its user base appears to be consistently satisfied with its ...

We know SIP can change telephony but are you willing to change with it? For several years we've heard that SIP as a powerful tool can change what we can do with business telephony. We know SIP can ...

See which SIP trunk providers fit your 2026 voice setup, from fast deployment and transparent pricing to global coverage and PBX support. I’ve looked into just about every business phone system on the ...

Most people communicating on the internet are using SIP calling. Here’s how to make free SIP calls — and when you shouldn’t. Session Initiation Protocol (SIP) allows one device to find another and ...

PBX systems offer enterprises many advantages over traditional PSTN-based phone systems. But PBXs can come with proprietary technology that limits how the system is integrated across the business. For ...