I have an OBi200, and try to set it up in mainland China with my Google voice. After following the instruction, the phone seems working as i can hear normal tone when I turn on the phone.
Unfortunately, I keep getting the message "has not received a response from the service provider" when I place an outgoing call. I searched and it seems that other people encountered similar issue before. I had tried to reboot the OBI device but it does not solve the problem.
Appreciate any suggestions. Thank you.