keith.h.morris@gmai,
Hi just to clarify, I was not suggesting to use the Obiapp (PC) to make calls. The Obi unit can be configured to call your cell phone by looking at the CID number of your cell phone.
ex: you are shopping and want to make a call to someone using your cell. Call the number your Obi is connected to, hang up after one ring before the Auto Attendant picks up. Obi can call your cell based on the CID it just received giving you the abilty to make an outgoing call by dialing a number or dialing a preassigned speed dial number. This method makes use of your phone lines connected to the Obi and your celluar service.
There is no use of the software app you may have installed on your Iphone. That app is useful to bypass the cell service completely by usung a connection to your home network or wireless service.
May work for some under the right circomstances.
It's not clear to me from your post, I'll just mention that the following is possible. In your case since the Obi unit is at home your wife can make calls using a phone connected to the Obi. Get a Google Voice account setup your Obi unit with this account and get outgoing/incoming calls using the phone.
To save your cell minutes while away from the house you need to do the math and figure out if it is cheaper to get an unlimited incoming calling plan if you are not locked into a contract.