[cisco-voip] UCM 5.1 bug ID CSCsi92454

[Wes Sisk]

the specific fix for CSCsi92454 is present in CM5.1.3.1000.12, I 
confirmed the basic diffs.

That's not to say you are not running into another similar issue.  This 
is the only one I know of currently so further investigation (including 
possible bad merge) should be investigated.  TAC case number?

/Wes

Carter, Bill wrote:
> 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)
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