From snom 300 to snom MeetingPoint: snom's portfolio of cutting-edge SIP-based telephony devices are recognized for their rugged commercial grade performanc... In fact, it is the tremendous savings of up to 80% off traditional phone calling that makes VoIP attractive to consumers and businesses. The only equipment needed for VoIP is your PC and a microphone (if one is not built into your PC). Beware of VoIP service providers that require you to purchase additional equipment and/or sign contracts. Most importantly, business that manage calls over the IP PBX VoIP solution provide comfortable integration with existing PSTN telecommunication system.

Hosted PBX. The better, simpler, more affordable business phone system.
The biggest problem with installing a traditional business phone system? That closet-full of equipment you’ll need to lease, install and maintain. With Vocalocity PBX, you won’t need any of that equipment. And you’ll get a phone system that’s advanced, reliable, flexible, simple, cost-effective—and ready to go in about 15 minutes. You can be set up with Vocalocity Hosted PBX in minutes. How does Vocalocity Hosted PBX work? Vocalocity Hosted PBX is a total business phone service. It uses VOIP technology—in other words, your phone service is delivered over the internet.More ifno here: http://www.vocalocity.com/hosted-pbx/