I tried with these ones but nothing change much:
http://www.voip-info.org/tiki-pagehistory.php?page=Asterisk+CAPI+readme&diff=2
My extensions are
[outgoing]
exten => 0,1,Goto(outgoing-isdn,s,1)
[outgoing-isdn]
exten => s,1,NoOp()
exten => _X.,1,Dial(CAPI/mynumber:b${EXTEN}|30)
Any ideas?