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 ...

SIP trunking connects your PBX phone system to the cloud for internet-based ... we evaluated and compared 15 popular providers. Our research found Plivo to be the top choice due to its flexible ...

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.

IP-PBX systems can operate on a physical in-house setup that uses a local area network (LAN) or a cloud-based service handled by a hosting provider. What is a digital PBX phone system? A digital ...