I recently got a high end Garmin SatNav to supplement the built in one. The feature I wanted was the SmartLink feature that grabs traffic data every 2 minutes via your SmartPhone.
2 minutes is far better than the 15 minutes the Honda TMC RDS performs.
All linked up and working fine, however, only just noticed that when my Android is paired to the Garmin it's not connected to the HFT
So, plan B is/was to use my old Nokia 6300 PAYG phone to just connect to the HFT for calls.
Snag - as soon as the 6300 connects via Bluetooth the HFT thinks it's a music device and the Nokia constantly warns "No Music Files Found" about every 5 seconds and the HFT keeps showing a 5 second bluetooth connect/disconnect.
Plan C - get out the older Nokia 6230i. That connects OK without the music issue but it only imports the first 6 entries in the phonebook and seems to ignore the HFT's tab feature for finding an entry.
Plan D - go and get a cheap sim-free phone that's compatible.
Snag - none of the sensibly priced sim-free phones (Argos) appear in the HondaHandsFree lists