Having used a Nokia 616 bluetooth car-phone in the past, one of the features I was looking forward to in my Ampera (Electron only?) was the "SAP" integrated car-phone.
Some background
With Bluetooth SAP (SIM Access Profile), the car phone "impersonates" your mobile phone - it is like plugging the SIM into the car. SAP is also sometimes known as R-SAP (Remote SIM Access Profile).
There are two benefits of using this profile over Hands Free, the main one is much better reception due to the higher power transmitter and the external aerial. The second one is that your phone will use a lot less power so doesn't really need to be charged while driving, you can leave it in your briefcase/handbag.
If you have tested a phone with the Ampera and know it does or does not supports SAP then please post a reply to this topic. Please don't post details on phones that support Hands Free (HF) as almost all phones should...
Some background
With Bluetooth SAP (SIM Access Profile), the car phone "impersonates" your mobile phone - it is like plugging the SIM into the car. SAP is also sometimes known as R-SAP (Remote SIM Access Profile).
There are two benefits of using this profile over Hands Free, the main one is much better reception due to the higher power transmitter and the external aerial. The second one is that your phone will use a lot less power so doesn't really need to be charged while driving, you can leave it in your briefcase/handbag.
If you have tested a phone with the Ampera and know it does or does not supports SAP then please post a reply to this topic. Please don't post details on phones that support Hands Free (HF) as almost all phones should...