An organization that provides voice over IP (VoIP) service and enables calling from SIP phones to plain-old-telephone (POTS) lines and vice versa. SIP is the universal protocol used for Internet ...

Our content is funded in part by commercial partnerships, at no extra cost to you and without impact to our editorial impartiality. Click to Learn More The most reliable internet protocol (IP) desk ...

The VoIP landscape has changed over the years, with many providers evolving into more than just the desk-phone VoIP we used to know. VoIP companies continue to add ways to entice consumers and small ...

VoIP (Voice over Internet Protocol) is a system for transmitting voice calls over the internet, rather than a phone line.

The best VoIP phone for small businesses is the Polycom VVX 601, because it’s a reliable and practical VoIP phone system, popular for its design and wealth of features. To top it all off, it’s one of ...

So far so good, except one thing. The Switchvox system basically make the assumption that if you are using a SIP trunk, you will be able to spit out caller ID info for outgoing calls and your SIP ...

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 ...

Singapore Telecommunications has lent its weight to an emerging Internet telephony standard. The Singapore-based carrier on Monday announced a collaboration with Session Initiated Protocol (SIP) ...