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 PBX Extensions, and then "Add Extension" (If you are using a SIP Trunking or Residential Account, click on SIP Trunks, and then "Add Extension"). When configuring the device, you'll want to use the "Register Username" (not the shortened Extension Number) and the Password of the Extension you've created:
Once the app is installed on your device, click 'Settings' (bottom left), the the blue '+' (top right), and then click on 'SIP Account'. You'll then want to enter the following settings:
After that, click the Blue to to save the settings. From there, scroll down to 'Registration Expiration (m)' to 2:
Finally, click back, and then click the 'Advanced Settings' tab, and disable both "Default Account Registration Notification" and "Only Use This WiFi to Register Account":
If you have any troubles making and receiving calls from here on in, please give MaxoTel a call on 1800121210.