[globals]

Trunk1=SIP/12345/
Trunk2=Zap/g1/

[Level1]
include => DialTrunk1

[Level2]
include => DialTrunk2

[DialTrunk1]
exten => _9.,1,Dial(${TRUNK1}{$EXTEN:1})

[DialTrunk2]
exten => _9.,1,Dial(${TRUNK2}{$EXTEN:1})