Cant make OBIHai to Obihai calls

[sportflyer]

I have no problems calling and receiving calls from regular phone numbers. Google Voice also works.

This is the first time I have tried an Obi to Obi call and it does not work. I dial 9 + obi number or ** 9 + Obi number and in both cases I get no connections.  I can't even connect to Obi echo service .

Please advise what to do . Thanks

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Problem solved by Power cycling the Device.