[Asterisk-Users] CallerID in Australia & Analogue PSTN Phone

[PHP Mechanic]

>> > What I need more though is examples of anything that needs to go into
>> > extensions.conf
>> 
>> You could add this line if you want
>> exten => s,1,NoOp(Caller ID on the PSTN line is ${CALLERID}) 
> 
> Mmmmm.  Tried that, but it didn't deliver ${CALLERID}
> 
Did the caller have callerid enabled by their telco ?