Carlos, I think the noise you are hearing might echo cancelation that is broken or set incorrectly. Maybe the card and asterisk are both trying to echo cancel?
Mark On Nov 13, 2012, at 1:52 PM, Carlos Chavez wrote: > I have a new install and the customer is complaining that they hear noise > on all calls, no matter if it is internal or external, desk phones or > softphones. The noise is only present when the user is speaking, not the > remote side. The remote side does not hear the noise, only the local user. > > We are using Asterisk .1.8.11-cert8 on a CentOS 6 machine with a Digium > AEX800 card and DAHDI 2.6.1. I really do not know how this noise is > generated. Where can I look? Why would a SIP to SIP call have this noise? > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
