Eicon diva T1 robbed bit setup

I have an eicon diva T1 setup for T1 robbed bit in USA … I have installed all the software including freepbx 0beta3 and have it working on a Sue Linux 10.1
the /etc/capi.conf recommend examplethis:but this is for german language and USA nationalprefix is 1 ana international prefix is 001 and the rest of it I don’t understand how to set if up … can someone help me?
fedcore2:/root# more /etc/asterisk/capi.conf
;
; CAPI config
;
;
[general]
nationalprefix=0
internationalprefix=00
rxgain=0.8
txgain=0.8
alaw=yes

[PRI30M]

;Define CAPI Controller Interface for PRI-30
;mode=immediate
isdnmode=DID
ntmode=yes;
incomingmsn=*
controller=2
softdtmf=0
accountcode=
context=isdn
callgroup=1
devices=30
echocancel=yes

[V-Analog8P]
;Define CAPI Controller Interface for V-Analog 8P
;mode=immediate
isdnmode=DID
ntmode=yes;
incomingmsn=*
controller=1
softdtmf=0
accountcode=
context=analog
callgroup=1
devices=2
echocancel=yes

In the extensions.conf file, you can include lines such as

exten =>_NXXXXX,1,Ringing
exten =>_NXXXXX,2,Dial(CAPI/contr2/b${EXTEN}|30)
exten =>_NXXXXX,2,Dial(CAPI/contr2/b${EXTEN})

Analog Controller for 2 Digit Extensions!
exten =>_XX,1,Ringing
exten =>_XX,2,Dial(CAPI/contr1/b${EXTEN}|30)