A SIP trunk is the digital version of an analog phone line. Learn how you can upgrade to a unified digital phone system for ...

Session Initiation Protocol (SIP) trunking is a service a communications service provider offers that uses the protocol to provision voice over IP (VoIP) and multimedia connectivity between an ...

Editor's note: Part three of our SIP Trunking Explained series looks at how much VoIP bandwidth you'll need to ensure high-quality SIP trunking services -- whether you're connecting to a SIP trunking ...

While many carriers offer centralized SIP, how they account for sessions across your enterprise and the terms they use are not consistent across the industry. Every year we speak with many potential ...

Our testing found that Zadarma is the best value VoIP service, earning a 4.0-star rating from our research team. Free plans ...

A look at the VoIP industry’s most pressing issues, including SIP interoperability, TDM-to-SIP transition services and VoIP security issues. VoIP services are rapidly becoming the bread and butter of ...

Tomorrow, American Telecom Services, Inc. (ATS) will announce the release of its first DECT 6.0 cordless multi-handset Internet phone. The master units (E6501) are expected to retail at a sub $50 mark ...

In the corporate world, it’s not uncommon for companies to invest heavily in phone systems that route calls, handle voicemails, and ensure employees can get work done wherever they are. But in many ...