Trusted Caller setup
azrobert:
You only get failures when both of you are only using SP1. When you have SP1 and SP2 the calls won't have a conflict, 2 active calls on each line. The people your parents call will see the SP2 CallerID.
There is another way you can do this without using your OBi200. Setup the 2nd GV account with your parents phone number as a forwarding number. They would call the 2nd GV number and get a prompt. If I remember correctly, you select 2 to make a new call.
You have to make some changes for the above to work. Google has made changes recently and I haven't setup an account with the new format. When I sign into my account I have the new format. I had to switch to the legacy format. You find the forwarding numbers under Settings. Edit your parents number and click "Show Advanced Settings". Click Yes and No Pin under Voicemail Access. Save.
Be aware that there is a different prompt when there is a voice mail message.
azrobert:
I forgot you have to change the Primary Line on the Auto Attendant to SP2.
Voice Services -> Auto Attendant -> PrimaryLine: SP2 Service
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