Siemens large type Lumberg

[petebarchetta]

hello,

does anyone know the pinouts for the large type siemens lumberg??
it was fitted to sx1 / sx45 / c25 just want to know the pinouts for the device to add a car kit to it, what pins are used for the headset that plugs in?
its the 12 pin large type

thanks for your time

[name]

1 - gnd
2 - sb
3 - power
4 - not connected
5 - tx
6 - rx
7 - accessories clock (zubehoer clock)
8 - accessories data (zubehoer data)
9 - ground microphone
10 - hf microphone
11 - audio left
12 - ground audio