It works but there is a nettalkconnect design flaw
I have been yet unable to figure out how to change the email address on the associated free nettalkconnect.com account or to delete said account once it has been created. If you try to call support they will insist on confusing your nettalkconnect.com account with your Nettalk.com account & you are liable to get disconnected before arriving at a solution.
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Mobile VoIP by netTALK