It is a device capturing and controling all the signals, which are being created by the whole system, especially the made and received phone call signals. The device is mostly used for connecting regular phone system with the Internet and backwards.
Grandstream GXW 4104 is a VoIP gateway with 4 FXO ports, which offers small organizations, home users, remote offices and companies with distributed territorial system a high-performance solution with an excellent price/quality ratio for more efficient management of communication costs, while increasing the functionality of existing telephone systems of the organization. Grandstream GXW 4104 is a solution that can be easily integrated into the existing telephone system.