The selective call acceptance allows controlling incoming calls by making a list of telephone numbers which you are ready to accept. But incoming calls from subscribers that are not listed are directed to the answering machine by which the caller is informed that you do not accept calls at the moment.
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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