How do I setup my Linksys WRT54GP2 or RT31P2 to Australian dial tone standards?

Overview

Step 1: Accessing the Linksys WRT54GP2 or RT31P2
Step 2: The Regional Page
Step 3: Control Timer
Step 4: Miscellaneous

Step 1: Accessing the Linksys WRT54GP2 or RT31P2

1. Login to your device by the IP address of 192.168.15.1
   
2. Enter the username: admin, and password: admin
3. When you have successfully authenticated, enter http://192.168.15.1/Voice_adminPage.htm into your web browser
4. Enter the username: admin, and your SIP password
   

Step 2: The Regional Page

1. Go to the Regional tab
2. Make the following changes

Dial tone: 400@-19,425@-19,450@-19;10(*/0/1+2+3)
Busy Tone: 425@-19;10(.375/.375/1)
Reorder Tone: 425@-19, 425@-29;60(.375/.375/1,.375/.375/2)
Ring Back Tone: 400@-19,425@-19,450@-19;*(.4/.2/1+2+3,.4/2/1+2+3)
MWI Dial Tone: 400@-19,425@-19,450@-19;2(.1/.1/1+2);10(*/0/1+2)
Ring1 Cadence: 60(.4/.2,.4/2)

Step 3: Control Timer

1. Go to the Control Timer Value Heading
2. Change Interdigit long Timer to 6
   

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Step 4: Change FXS Impedance

1. Go to the Miscellaneous Heading
2. Change FXS Port Impedance to 220+820||115nF