subject: VoIP Telephone Service Providers [print this page] VoIP telephone service providers charge different rates for the services they provide. Therefore, if you have a small business, you should ensure that you approach a provider that offers the PBX features you need at an affordable monthly rate. It is necessary to check the functioning and utility of the VoIP system offered to you. Useful features and services include free emergency services, call waiting, call routing, teleconferencing, and so on. Some service providers offer certain features at extra cost. To find the ideal provider, all you have to do is to browse directory listings and yellow pages on the web, and compare their plans and features. You can also read reviews and obtain consumer feedback before choosing a provider as well as a calling plan.