How do I make international phones calls through Google Voice using Obihai 1062
If the OBiPhone is not configured with GV do it. Add some credit to your Google account. Dial the number as you would from a POTS line.
See: https://support.google.com/voice/answer/7491761?hl=en&ref_topic=1708123 (https://support.google.com/voice/answer/7491761?hl=en&ref_topic=1708123)