In order to make phone calls via the Internet one’s device has to be compatible with Softphone software. In example in order to call from a PDA using VoIP technology one has to install Softphone software, in order for it to work properly, PDA has to have Softphone compatibility.
Billing Solution... solved!
Fusion is a simple yet robust, integrated, web-based billing and point-of-sale system for the small and medium-sized telecom business. It provides users with access to customer accounts, retail point-of-sale, customer invoicin