Well, I "downgraded" this box to Asterisk 1.4.38 and all is well again. Echo cancellation works properly, no problems, no errors.
I have to assume this is a bug in Asterisk 1.8.x or Wanpipe 3.5.18. --Tim ----- Original Message ----- > Greetings folks- > > I'm experiencing issues with a freshly installed box. When a call > comes in via PRI (Sangoma AFT-A104), I see this in my logs: > > [Dec 15 14:26:10] WARNING[23546] chan_dahdi.c: Unable to enable echo > cancellation on channel 12 (Invalid argument) > [Dec 15 14:26:10] WARNING[23546] chan_dahdi.c: Unable to enable echo > cancellation on channel 8 (Invalid argument) > [Dec 15 14:26:10] WARNING[23546] chan_dahdi.c: Unable to enable echo > cancellation on channel 10 (Invalid argument) > [Dec 15 14:26:10] WARNING[23546] chan_dahdi.c: Unable to enable echo > cancellation on channel 9 (Invalid argument) > > Relevant components: > > Asterisk: > Asterisk SVN-trunk-r290509 built by root @ prigw01 on a i686 running > Linux on 2010-11-30 22:12:05 UTC > > DAHDI: > dahdi-linux-complete-2.4.0+2.4.0 > > LibPRI: > libpri-1.4.11.5 > > Wanpipe: > wanpipe-3.5.18 > > Kernel: > Linux prigw01 2.6.32-24-generic #39-Ubuntu SMP Wed Jul 28 06:07:29 UTC > 2010 i686 GNU/Linux > > The card does not have a hardware echo canceler. It should use MG2 as > specified in DAHDI's system.conf: > > #autogenerated by /usr/sbin/wancfg_dahdi do not hand edit > #autogenrated on 2010-12-08 > #Dahdi Channels Configurations > #For detailed Dahdi options, view /etc/dahdi/system.conf.bak > loadzone=us > defaultzone=us > > #Sangoma A104 port 1 [slot:2 bus:2 span:1] <wanpipe1> > span=1,1,0,esf,b8zs > bchan=1-23 > #dchan=24 > echocanceller=mg2,1-23 > hardhdlc=24 > > > And, from chan_dahdi.conf: > ;Sangoma A104 port 1 [slot:2 bus:2 span:1] <wanpipe1> > switchtype=national > context=ldrouted > group=1 > echocancel=yes > signalling=pri_net > channel =>1-23 > > > Any thoughts, pointers, suggestions? The echo is horrible, please help > me make it stop. :-) > -- _____________________________________________________________________ -- 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