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

April 21, 2004

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Aswath

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.

Jamie

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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