This guide is specifically for configuring Cisco ATA's for use with FAX machines. If you are configuring one to use with a normal phone, simply use This Guide
For faxing with an ATA, you'll want to use a SIP Trunk Extension (not a Hosted PBX Extension), as this will have the required T.38 protocol enabled. Make sure before you start that you have an extension available on your account (my.maxo.com.au). To create an extension in your MaxoTel account, click on SIP Trunks, and then "Add Extension. When configuring the phone, you'll want to use the "Register Username" (not the shortened Extension Number) and the Password of the Extension you've created:
To obtain the IP address of the device with a phone plugged in, pickup the phone and dial ****110#. You should hear a voice saying the IP Address.
Once you have the IP address of your SPA ATA you can access the web interface by opening a web browser and typing it in.
You should now see the Cisco SPA Phone Adapter Configuration screen. Now you will need to log into the unit as Administrator and change the view to advanced. See images below.
Click Admin Login
Click on "Line 1" tab across the top, and then change the following settings to appropriately register to your SIP Trunk Extension:
Register Expires: 120
Display Name: Fax
User ID: SIP Trunk Extension Number
Password: SIP Trunk Password
Use Auth ID: yes
Auth ID: SIP Trunk Extension Number
Preferred Codec: G729a
FAX Passthru Codec: G729a
FAX PAssthru Method: ReINVITE
FAX Enable T38: yes
Dial Plan: (*xx.|000S0|0011x.|100xxxxxxS0|13[1-9]xxxS0|0xxxxxxxxS0|[2-9]xxxxxxxS0|xx.)
The following changes are optional, however they will make your SPA ATA sound more
Click on the “Regional” tab across the top. Under the Call Progress Tones and Distinctive Ring Patterns headings change:
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)
Ring1 Cadence: 60(.4/.2,.4/2)
The following changes are required under the "Miscellaneous" heading :
FXS Port Impedance: 220+820||115nF
Once you have saved the settings, you can refresh the ‘Extensions’ page of your MaxoTel Portal, to see if the device has registered. If you are still having issues, please give us a call on 1800 12 12 10.