Made several tests and something is wrong involving Google Voice service when transferred to another OBi phone. I have SP1 with Google Voice service and SP2 non-Google Voice service (like Anveo, Callcentric, RingCentral)...
cell phone call (or PSTN) > to SP1 GV phone number > call connected success/talk > hit "Transfer", to another OBi phone (using Extension or direct dial **9 + that OBi phone's 9 numbers > call connects > hit "Transfer Now" and call disconnects.
cell phone call (or PSTN) > to SP2 (not Google Voice service) > call connected success/talk > hit "Transfer", to another OBi phone (using Extension or direct **9 + that OBi phone's 9 numbers > call connects > hit "Transfer Now" and call maintain connection/communications.
This is under regular Google Voice service account with Gmail ending (@gmail.com). Anyone try this mainly without Google Voice service involve and get dropped?