PBX Fraud-Blocking Communication Device

Project description

INTRODUCTION One way to protect people from telephone scammers is by using telecom technology. To build a device that blocks fraudulent calls, the capabilities of a Private Branch Exchange (PBX) system is used. PBX is a private telephone network often used within an organization. The idea of this phone system is that it allows the use of different communication channels like Voice over IP, ISDN or analog for letting users communicate internally within their company as well as externally with the outside world. With PBX you can transfer calls, use voicemail and interactive voice menus, record…