With ULF

Fault profiles for ULF voice quality and audio output
The following fault profiles are covered in this test module:

Voice quality / audio output
- No hands-free mode possible.
- The caller hears no voice signal.
- The caller is not heard.
- Voice quality: voice very quiet
- Sporadically, the voice of the caller is incomprehensible and metallic.
- Poor voice quality: other information
- Sporadic call interruptions
- Poor voice quality: brief call interruption or voice seems chopped.
- Poor voice quality (call via hands-free speaking system)
- When the vehicle is started during an active call, the call is lost for approx. 20 seconds.