It is the business practice of sending all clients' billing info to a separate company, who then does everything for you. It also allows a company to cut down on time and human resources spent on administrative tasks.
The Budgetone Series from Grandstream brings to the world highly cost-competitive, latest generation SIP phones. In designing Budgetone series a goal was to employ its groundbreaking innovative technology in order to delver to the market IP phones that will provide their users with unparalleled sound quality, extensive list of features, and simplicity - all at an incredibly low price.