> On a brand new system, I met an issue I've never met before. > > My setup is : > debian 6.0.3 > asterisk 1.8.8.1 > dahdi 2.6.0 > libpri 1.4.12 > freepbx 2.9.0.4 > TE420FB (with hardware EC) > > This is the very first time I'm using Freepbx and the whole > configuration was first generated by a "make samples" command. > > When a SIP hardphone dials another SIP hardphone, everything is OK. > When the same SIP hardphone dials an external number, there is a > quite > loud noise that can be heard within the handset from the moment the > digit sequence have been sent to the moment any party hangs up. The > other party doesn't hear this noise. > (It's not easy for me to describe this noise) > > > I don't have any idea of where to look at. > What would you suggest or recommend ?
At a guess this sounds like a possible mismatch between A-law and mu-law companding. When this happens, you hear something like static only when someone is speaking. Richard -- _____________________________________________________________________ -- 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
