Mine!

[general]
static=yes
writeprotect=yes
language=pl

[globals]
ISDNOUT=Zap/g1
language=pl

[outgoing]
exten => _.,1,Dial(${ISDNOUT}/${EXTEN},30,tT)
exten => _.,2,Hangup

exten => h,1,Hangup
exten => i,1,Hangup
exten => t,1,Hangup

[default]
exten => s,1,Dial(SIP/bramka1-1,,,tT)
exten => s,2,Hangup

exten => _.,1,Transfer(2)
exten => _.,2,Hangup