Using crunch to create a word list containing all the mobile phone numbers in Australia

crunch 10 10 0123456789 -t 04%%%%%%%%

where:
"10 10" fixes the length to 10 digits
 "0123456789"  uses all these numbers in the % locations
"-t 04%%%%%%%%"  denotes the strings to contain 04XXXXXXXX

The same can be done with local phone numbers.
http://en.wikipedia.org/wiki/Telephone_numbers_in_Australia

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Uniden 2.4GHz Cordless Phone teardown

I have some pics of a Uniden 2.4GHz phone.  The batteries wad repacked using batteries from another device.  Interestingly enough the radio is analogue. 

Pressing 'dial' on the phone and then cutting the power to the base caused static + another conversation to be heard over the loudspeaker!

Handset

Proprietary blob

Base Station Tx / Rx filtering