[Asterisk-Users] E1 Echo
Rich Adamson
radamson at routers.com
Fri Dec 16 05:27:52 MST 2005
> >>I am beginning to wonder whether what echo IS heard is being caused by
> >>packetisation delays "in the network" - The default tap length is 128,
> >>or I believe 16ms. If something in the PSTN causes a delay more than
> >>that length (no idea what might cause that) then echo would still be
> >>heard.
>
> We have found that a relatively innocent change by the local incumbent
> operator has forced us to modify our pstn gateways to change from 128
> taps to 256 taps.
What type of a change did they make?
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