--ext
[general]
[globals]

[extensions]
exten => _XXXX,1,Dial(SIP/${EXTEN})

[toll-access]
include => extensions

exten => _0XXXX.,1,Dial(SIP/${EXTEN}@budgetphone)

[incoming]
include => extensions
exten => s,1,Goto(1002,1)
exten => 31717344444,1,Goto(1002,1)