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.
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Empresa de servicios VOIP en BOLIVIA. Servicios a telecentros, empresas y domicilios. Servidor USA, BOLIVIA. Rutas PREMIUN. Instalación de centrales telefónicas VOIP. Instalación telecentros y cafés interne