[cisco-voip] echo in CUCM 6.1 !!!

[Joe Cisco]

Does the T1 have any errors? Is qos in place and correct? During the
call, rapidly hit the question mark twice on the phone to see call
stats and voice quality metrics.

-Joe C.

On Wed, Jul 23, 2008 at 7:19 AM, Djokic Sinisa <sdjokic at mds.rs> wrote:
>
>
> hi guys..
>
> did anybody had issues with echo in system with CUCM 6.1.2 and 2821 with
> 12.4 code ( varios version - 12.4.9T6, 12.4.15T etc. ), vwic-1mft-t1/e1 card
> and PVDM2-48..
>
> the echo can be heard when call is placed to certain phone numbers, and it
> is noticed on 7975 and 7911 phones - the only phone types in system..
>
>
>
> we changed everything we could in VG config, from echo cancel coverage, IOS
> image to attenuation..and nothing helped..
>
>
>
>
>
> any ideas..
>
>
>
>
>
> thanx..
>
>
>
>
>
> regards..
>
>
>
> Sinisa Djokic
>
> System Engineer
> CCNP,CCDA,CQS-CWLDS,CS-CIPTDS,CS-CIPCCES Cisco Certified
>
>
>
>
>
> MDS Informaticki inzenjering
> Bul. Arsenija Carnojevica 170
> 11070 Novi Beograd, Serbia
> Tel: +381 11 2015 200, 2015 273
> Fax: +381 11 3194 954
> www.mds.rs
> sdjokic at mds.rs
>
>
>
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