Session Initiation Protocol is used widely for the setup, teardown and management of VoIP calls. Much of its functionality is related to the setup of calls, as its name implies. Part of this setup ...

Have you received a phone call with the words “VoIP caller” in the caller ID? If you’re scratching your head wondering what VoIP caller means, Forbes Advisor has the answers. Instead of calling ...

That's 3com's NBX V3000 VoIP switch on the left, and a switch based on open-source Asterisk on the right. I made that canvass as a result of reading a post by Paul Ryan, the ITXtreme columnist for ...

A voice over IP (VoIP) service can boost your call quality and save you money compared with a traditional landline. These are the best VoIP services we've tested for home phone needs. I’ve been ...

While still just a trickle, early defectors to voice over IP (VoIP) represent the vanguard in a trend that some analysts believe could soon roil the communications industry. Independent VoIP providers ...

When choosing a business phone system or upgrading your existing setup, many companies are opting for systems that support Voice over Internet Protocol (VoIP) numbers and technology. With the global ...

Amy Nichol Smith spent more than 20 years working as a journalist for TV and newspapers before transitioning to software and hardware product reviews for consumers and small businesses. She has been ...

Can I create the CID, name, area code and phone number that will display when I place a call via VoIP? Who do you like for VoIP service? The capabilities of what you can program in vary greatly from ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Not sure which one is right ...

When you first selected your company’s business phone system, you were likely offered one of two choices: a business VoIP system or a traditional landline-based system, also known as a plain old ...