[cisco-voip] Quality Issues with Qsig/MGCP gateway on 5.1

[Jonathan Charles]

Which version of 5.1?

Cuz the first release of 5.1 didn't mark DSCP correctly so, that could be
your problem...

Make sure you are running 5.1.1b



Jonathan

On 6/19/07, Nick Kassel <Nick.Kassel at charles-stanley.co.uk> wrote:
>
>  Since upgrading to CM 5.1 we have been experiencing a few issues with the
> quality of calls across our Qsig gateway. Our current set up is Call Manager
> 5.1.1b with a 2811 MGCP QSIG gateway connected to an Ericsson MD110 PBX.
>
>
>
> The 2811 is running c2800nm-ipvoicek9-mz.124-4.T3 and has 1 x E1 card and
> 2 x PVDM2-16 dsp's
>
>
>
> We have 26 branch offices with IP phones but over half of the staff at out
> HQ are still using Ericsson phones, the issues have started occurring
> between calls on the Ericsson phones and our Branch offices and users are
> experiencing poor quality calls with interference and echo.
>
>
>
> We never had these issues running on 4.1(3) with the same gateway.
>
>
>
> It's not happening all the time but enough for users to raise the issue.
>
>
>
> Has anyone come across any similar issues with 5.1 and Qsig gateways or
> does anyone know if there any bugs relating to this, or if anyone could
> point me in th e direction of troubleshooting this I would be most grateful.
>
>
>
> Regards
>
>
>
> Nick
>
>
>
>
>
>
>
>
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