Will this be the year open-source PBX and VoIP systems are ready for their close-up? The opportunity is better than ever, argued attendees at January's Digium Asterisk World conference in Miami.

Most small businesses can expect to pay about $20 per user per month. VoIP phone systems supplanted traditional PBX phone systems because they are less expensive and more versatile. Even today's ...

其中，资源管理系统主要执行地址翻译、权限控制、路由管理等功能；计费系统主要完成计费及结算功能；网管系统完成对网络及IP PBX运行的维护 ...

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 ...

Learn how Direct Inward Dialing can be used with a cloud phone system to create efficiencies and cost savings.

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.

In 2003, Alex Aristides, armed with expertise in voice/data cable infrastructure, IT, PBX, voicemail and contact ... of voice-over-internet-protocol (VoIP) services. These cloud-based phone ...

What's the Advantage of a VoIP Phone System? VoIP phone systems supplanted traditional PBX phone systems because they are less expensive and more versatile. Even today's residential VoIP ...

The first IP-PBX systems were based on a client/server design. When most telecommunications managers hear the term IP-PBX, they usually envision a client/server design, although the converged system ...

The two IP-PBX design categories, converged and client/server, are based on very different architecture platforms. Individual product models within both categories also exhibit different design ...

Hosted private branch exchange (PBX) services are a staunch go-to for businesses that need flexible, powerful, easy-to-use and cost-effective business phone systems. With so many hosted PBX ...