[cisco-voip] UCM 5.1 bug ID CSCsi92454

[Carter, Bill]

Cisco Guys,

I have a customer with 5.1.3.1000-12. They appear to be hitting this
bug, but this version is not listed in the found in and or the fixed in
version. Is it possible this bug is present in 5.1.3.1000-12?

CSCsi92454 Bug Details
SW CFB volume lowers to unacceptable level as participants join 

Symptom: 
As more than 4 conference parties join a conference's using SW CFB the
volume
levels become quieter. The more parties, the less volume. After 6
parties, the
volume level is almost down to unable to hear.

Conditions: 
Noticed in Meet-Me conference but could occur in normal ad-hoc
conferences.

Workaround: 
None

Further Problem Description: 
The SW CFB audio mixer algorithm does a volume level reduction that is
probably
too aggressive.

1st Found-In 
4.2(3)
5.1(2.1000.11) 

Fixed-In 
5.1(2.1101.4)
5.1(2.9999.1)
6.0(0.9901.261)
6.0(1.1000.22)
6.0(1.1000.37)
6.0(1.1101.2)
4.2(3)ES32
4.3(1)ES10
4.3(1)ES16
6.1(1.1000.11)