« To Sip Or Not To Sip | Main | Net2Phone Platforms Wi-Fi VOIP »

April 21, 2004


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Are you sure whether you can get 212 from CallVantage and then port it to another service provider. If I were you I will verify whether AT&T participates in number portability in the reverse direction. One of the implecations of unregulated business I suppose.

By the way, AT&T currently does not support SIP on the customer interface.


What ATA box did you get? Is it possible to unlock it and register with different SIP server other than AT&T?

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