On Mon, May 05, 2003 at 05:26:53PM +0100, Joel Becker wrote: > I am looking at purchasing an AVM ISDN B1 V4 basic rate ISDN card along with > a TDM40B FXS card, are there any issues I should be aware of before ordering > them ?. Echo? AFAIK only Eicon active card have echo cancellation.