OK, I thought I had this figured out, but here is what I want and thought I had it working properly until my wife tried to call me this morning on the OBI 100 (Home line)
Here is what I want, and let me know what the proper configuration is, or if it at least possible, I want to use GV mail for my cell, but use the OBI 100 for the house number for incoming and outgoing calls.
Here is what I had it configured to, I would have the *28 to my cell number, to allow GV mail to be my Cell phone carrier voicemail. Then I had the GV settings to forward calls to my cell number. In the advance settings, I had the forward options to go straight to voicemail.
The issue is, when the GV is set to be forwarded to my cell number, and you call the OBI 100 it rings on both phone, which I do not want, with that same config, if I *28 to the cell then I get to use GV mail for my cell, but then you cannot call the house line, it has a fast busy signal. Hope I did not confuse anyone.
The only way i am able to get the GV and OBI 100 to work properly but not get the GV mail service for my cell, is, deactivate the *38 from my cell, and take the forward calls to my GV number, then all works fine for incoming and outgoing calls.