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 > _______________________________________________ > --Bandwidth and Colocation provided by Easynews.com -- > > asterisk-ss7 mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-ss7