SIP trunking is a cost-effective option for modernizing legacy phone systems with minimal disruption. Discover the best SIP trunking providers and how to choose one in our complete buyer’s guide. I’ve ...

The promise of SIP trunking has been touted for years: You'll save money! It's easy to manage! It's flexible! It offers better business continuity! While this all may be true in theory, the reality is ...

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Cavalier has joined the Session Initiation Protocol bandwagon with the recent expansion of its SIP-based services. A competitive carrier, the company services hundreds of thousands of business, ...

Before kissing TDM voice goodbye, make sure sellers keep their pricing and performance promises, and that you don't put your network or its economics at risk. Here's how. SIP trunking (VoIP based on ...

I am setting up an IP phone system for an office with 20 people. Can anyone recommend a reliable SIP trunk provider? We have a Grandstream UCM6208 PBX. Most calls made will be international. I am ...

SIP, the Session Initiation Protocol, is a control protocol for multimedia sessions. Although most SIP software and hardware is designed for the simple case of VoIP telephony, SIP is actually a ...