Nokia - audio through head unit

[bobbins]

Has anybody here wired a Nokia (specifically a CARK-126) hands free kit through the radio head unit on their VAG car?
I mean by using the Mute, and Tel+ and Tel- connections, so that the the head unit controls the car kit audio volume etc? If so, does it work OK - especially interference wise?
I know it can also be done using an adaptor lead with a relay which injects the audio directly into the speaker leads, but it seems a shame not to use the direct connection method as it's there.

[bobbins]

Thanks for this - I assumed it would work but have seen some comments that the output from the HF kit is the wrong level for the radio inputs.
The other issue often mentioned is RF 'bleed' - do you get any background RF noise during a call? I guess this might not be an issue with bluetooth as you can position the phone away from the radio.

Also, where did you get the lead from?

Thanks

[bobbins]

Thanks again - some interesting stuff on their website.

[bobbins]

Thanks AdrianR - that menu is there in my radio.

Catso: If you're phone is wired directly to the radio (which it must be if you can change speakers) then using the bluetooth volume control might just be varying the input level. If you set it highish, then you might be able to vary the volume using the radio during a call?
However often these kits are wired directly into the speaker leads, in which case you would have to use the BT kit volume control.

Vee: Thanks for the forum lead. The website, however, is a wine merchant!