Originally Posted by ScOObydoo
Several of you have no idea what you are talking about ;)
The TomTom go 700 has a built in handsfree carkit. So there is no serial connection, it shoudl just be a handsfree connection.
The TomTom 700 supports PLUS services which includes traffic routing. So in order to support that, it needs to receive GPRS data from your device to support the service via Bluetooth, and I assume that is what the serial profile is for, not voice.