Ulf I-Bus Fault Profiles For Audio Output and Voice Quality (ULF Universal Charging and Hands-Free Facility)

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

Voice quality / audio output
The caller hears no voice signal.

The caller is not heard.

Poor voice quality

Sporadic call interruptions

Poor voice quality (call via hands-free speaking system)