An analog telephone adapter (ATA), or FXS gateway, is a device that allows traditional analog phones to be connected to a digital voice-over-IP (VoIP) network. In addition to this, you can even create ...
AT&T is launching a residential voice-over-IP service that might be suitable for small office/home office workers and telecommuters. Called CallVantage, the service melds flat-rate local and long ...
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