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989 Views 2 Replies Latest reply: Mar 14, 2011 8:37 AM by Scott Morris - CCDE/4xCCIE/2xJNCIE RSS

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Troubleshooting echo

Mar 14, 2011 1:56 AM

Abraham 4 posts since
May 19, 2010

Hi!

About echo in voice network, how does the input gain and output attenuation parameters affect echo?

And also about the value of ERL worst case (Echo return loss). If I define and ERL of 3 db does this means my my voice gateway would not be able to detect echo with ERL above 3dB (let's say 4dB ERL) for example

 

Thanks

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