If you’re not ready to give up the convenience of a landline phone but want an alternative to your local telecom operator, consider a provider from our list of cheapest VoIP companies.

Why settle for an ancient, analog PBX? The best voice over IP (VoIP) services we've tested deliver enterprise-grade phone system features for a small-business-friendly price.

VoIP phone numbers are changing how small businesses communicate. Unlike traditional phone systems, VoIP uses the internet to ...

Today, you can get a business phone system up and running by simply signing up and clicking a button, courtesy of the best Voiceover Internet Protocol (VoIP) services on the market. VoIP allows ...

Nortel's carrier VoIP and application solutions, collectively known as CVAS, include Nortel's softswitching, gateways and SIP applications. According to Nortel, it has shipped more than 118 ...