My configuration are : AlcatelOmni PCX <---->1st Asterisk Server with ZapCard <---->IAX trunk over Internet<--> 2nd Asterisk Server <----> SIP phone I have problem with echo in this configuration. But when I use sip phone or call trough BRI even if I use IAX trunk I have no problem Can someone help me ??? I've try compile Zaptel with Aggressive Option but It make a Noise and it Hang-up. _____________________________________________ Erwan Desvergnes - ANDIUM - 82/86 rue Ch?teau Gaillard 69100 Villeurbanne Tel. 04 37 43 44 45 / Fax 04 37 43 44 44 E-mail: erwan.desvergnes@andium.fr <mailto:erwan.desvergnes@andium.fr> -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20041012/4d1c38cb/attachment.htm