“Extension” - is the extension of the telephone line (PBX) or the Centrex system. It works as an association and allows calling to certain telephone sets without the necessity of dialing the telephone number, but only by dialing a short combination of digits, reaching the desired subscriber.
Sistemas & Enlaces VoIP
Sistemas & Enlaces VoIP es una Empresa Argentina, que brinda Servicios Nacionales e Internacionales de Comunicaciones por Internet (VoIP).
Su principal funci
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