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.

This guide was reviewed by a Business News Daily editor to ensure it provides comprehensive and accurate information to aid your buying decision. To determine which private branch exchange (PBX) phone ...

The main advantage of using a PBX VoIP trunk card over an external third-party gateway is consistency. In-skin gateways pass the vendor's proprietary PBX-to-PBX signaling between sites – Avaya's DCS ...

PBX vs VoIP: How to Compare and Choose a Phone System Your email has been sent At first glance, PBX and VoIP seem like two very different types of phone systems. But modern technology, like IP PBX, ...