Voicemail Gain Not Working?

Using FreePBX 2.11 and Asterisk 11, Ive tried setting values from none to 15db on Voicemail Recording gain at “Voicemail Administration Dialplan Behavior” and cant seem to sense a difference in the loudness of a voicemail recording left by a caller.

Allison’s voice mail prompts are very loud and clear when the voicemail recording playback level from a caller is very quiet no matter what the recording gain setting.

Is it broken at the moment?

I have the same problem… any thoughts?