[asterisk-ss7] echo cancellation in chan_ss7

[Vernier Umali]

I saw this in another thread. Don't you need a patch for this to make
it work? Is the patch already included in 0.90?

On 3/22/07, Anders Baekgaard <ab at sifira.dk> wrote:
> Yes, you can enable echo cancellation in chan_ss7.
>
> For a link, you can specify for example:
>
> [link-l1]
>
> ; Echo cancellation
> ; echocancel can be one of: no, 31speech (enable only when transmission medium
> is 3.1Khz speech), always
> echocancel => 31speech
> ; echocan_train specifies training period, between 10 to 100 msec
> echocan_train => 100
> ; echocan_taps specifies number of taps, 32, 64, 128 or 256
> echocan_taps => 128
>
> Best regards
> Anders Baekgaard
>
> On Thursday 22 March 2007 07:53, Vernier Umali wrote:
> > I have an asterisk box connected for sometime now to an ss7 network.
> > One of the issues I have sometimes is echo. Is there a way to enable
> > echocancellation in chan_ss7? I'm using chan_ss7 0.90 and asterisk
> > 1.2.17. Thanks
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