[cisco-voip] Echo Problems

[Cliff Jeffcoat]

H.323

 

From: Nick Griffin [mailto:nick.jon.griffin at gmail.com] 
Sent: Wednesday, March 12, 2008 1:04 PM
To: James Buchanan
Cc: Cliff Jeffcoat; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Echo Problems

 

MGCP, H.323 or other? I've seen lots of issues with mgcp process
hanging/failing to release on 12.4(15)Tx.

 



 

On Wed, Mar 12, 2008 at 12:47 PM, James Buchanan <jbuchanan at ctiusa.com>
wrote:

Hello,

I have used 12.4(15)T3 with great success, with an input of -3 and an
output of 3.

Thanks,

James


-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Cliff Jeffcoat
Sent: Wednesday, March 12, 2008 11:27 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Echo Problems

I am running in to a lot of echo problems with copper lines/fxo ports in
2811 routers.  Has anyone found a good IOS and input gain/output
attenuation that seems to work with the majority of installs?  What is
the best way to adjust based on the -dB in your experience.  Any tips
will be greatly appreciated.

Cliff Jeffcoat
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