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.