User`s guide

Vigor2820 Series User’s Guide
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while maintaining good voice quality.
If your upstream speed is only 64Kbps, do not use G.711
codec. It is better for you to have at least 256Kbps upstream if
you would like to use G.711.
Single Codec – If the box is checked, only the selected Codec
will be applied.
Packet Size
The amount of data contained in a single packet. The default
value is 20 ms, which means the data packet will contain 20
ms voice information.
Voice Active Detector
This function can detect if the voice on both sides is active or
not. If not, the router will do something to save the bandwidth
for other using. Click On to invoke this function; click Off to
close the function.
3
3
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1
1
1
1
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.
3
3
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P
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n
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This page allows user to set phone settings for Phone 1 and Phone 2 respectively. However, it
changes slightly according to different model you have.
For Vigor2820V/Vigor2820Vn models, you will see the following page: