modem, or a super high-speed services such as ISDN, DSL or a T-1 link. The link you choose will depend upon the amount of telephone traffic you intend to use. A typical DSL link, for instance, is enough for eight simultaneous phone calls. A VOIP box - about the size of a telephone modem. - your telephones just plug into the box. And your ordinary phone lines allow remote users to dialups , , OH dialups , dialups Ohio, dialups
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