Hosted VoIP or Hosted PBX services provide many significant advantages over the purchase or use of a traditional telephone system because they furnish advanced telephone system features as a service over the Internet. Many of those advanced features are expensive to deploy as part of a telephone system. Hosted PBX service is delivered with equipment located on the premises of the provider. This means a business does not need to invest in a telephone system to take advantage of its rich features and capabilities. In most cases, only phones will need to be purchased or leased which are considerably less expensive than a phone system