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.

With roots in cable, Comcast is the largest business VoIP service provider in the United ... running as extensions to Comcast's virtual PBX. Caller ID shows as your business number, in either ...

A business can either have an on-site PBX that they control and take care of, or they can choose a hosted PBX system that a VoIP service provider manages for them. A hosted virtual PBX relies on ...

Finally, the business VoIP systems in this roundup are all managed cloud services rather than on-premises products that mimic a traditional PBX. We think that's a good thing: Cloud VoIP services ...

so the people you call don't need to use VoIP themselves (nor do the people who call you). In addition, they typically emulate the functions of traditional PBX (private branch exchange) business ...