;Emergency calls
exten => 000

;Mobile phones
exten => _04XXXXXXXX

;Sydney Local
exten => _[8-9]XXXXXXX

;Sydney/NSW regional
exten => _[4-6]XXXXXXX

;STD prefixed
exten => _0[2-37-8]XXXXXXXX

;13 numbers
exten => _13XXXX
exten => _1300XXXXXX

;Freecall 1800 numbers
exten => _1800XXXXXX

;Overseas calling
;exten => _0011X.