[cisco-voip] Voice Quality issue; Echo

Ryan Ratliff rratliff at cisco.com
Fri Dec 2 11:07:17 EST 2005


Check out http://www.cisco.com/en/US/tech/tk652/tk698/ 
technologies_tech_note09186a0080149a1f.shtml.

-Ryan

On Dec 2, 2005, at 9:44 AM, DeRooy, Aaron H wrote:

The customer is complaining of echo. If I change the echo canceller
coverage to 32ms and the ERL to 4db, what effect will that have? Will it
cause the echo canceller to take up to 3 seconds to converge or maybe
result in sentences being chopped off? Looking for any guidance on
making echo canceller coverage and/or erl changes.

Aaron



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