[cisco-voip] Unity Audio Issues

[Pat Hayes]

Never run into it, surprising to hear that the phones handle it ok :-) 
In Unity, the TSP handles, among other things, recording, so it'd be 
worth it to upgrade to the latest version if you're not already on it to 
see if it handles things better. Otherwise, you might want to open a TAC 
case, but your time would probably be better spent fixing the network 
problem...

Oh, and don't overlook the basics, you have actually verified that Unity 
is configured to play subscriber messages at 100% speed, right? It is 
possible to configure it to play slower. Double check the setting and 
maybe download one of the wave files and verify how it plays back on 
your PC.

STEVEN CASPER wrote:
> Unity 4.05
> Intermittently for about a month
> Capture is at the Unity server - spanned port.
> 
>  >>> "Tim Smith" <thsglobal at gmail.com> 6/26/2008 9:58 AM >>>
> Hi,
> 
> I've heard of this before...
> When did it start happening?
> What version of Unity are you using?
> Where are you doing your packet capture? Inline or on Unity server itself?
> 
> Cheers,
> 
> Tim
> 
> On Thu, Jun 26, 2008 at 3:21 PM, STEVEN CASPER <SCASPER at mtb.com 
> <mailto:SCASPER at mtb.com>> wrote:
> 
>     Its a weird problem, IP phone calls are not impacted only Unity
>     messages.
> 
>      >>> "Voice Noob" <voicenoob at gmail.com <mailto:voicenoob at gmail.com>>
>     6/26/2008 8:55 AM >>>
> 
>     I think it would drop it if it was using TCP/IP and not UDP/IP.
> 
>     On Thu, Jun 26, 2008 at 7:21 AM, STEVEN CASPER <SCASPER at mtb.com
>     <mailto:SCASPER at mtb.com>> wrote:
> 
>          We are having a problem on our network where UDP packets with
>         duplicate sequence numbers are being received by our Unity
>         systems. It appears that Unity does not discard these packets.
>         This is resulting in a messages that are degraded in quality.
>         The call sounds like they are talking very slow. If you press 6
>         on the key pad you can speed the message up so it almost sounds
>         normal. Of course we have to fix our network problem but is it
>         normal for Unity not to drop packets with duplicate sequence
>         numbers?
>          
>         Thanks!
>         Steve
> 
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