Step 1:

You must first determine what IP address it received.
To do this, on the phone dial pad, press the "envelope" button and then press the button under the LCD screen word "save". The IP address displayed will look like numbers with full stops in the middle. (e.g. 10.1.2.34 or 192.13.4.21) write this number down.

Step 2:

Open your web browser.

Step 3:

Enter the address: http://IPADDRESS in your browser, replacing the word "IPADDRESS" with the number you wrote down in step 1. E.g: http://10.1.2.3

Step 4:

Click on the "Admin Login" button near the top right side of the screen, then click on the "Ext 1" tab.

Step 5:

You need to modify only a few parameters from the factory default. They are listed here:

NAT Mapping Enable: yes

NAT Keep Alive Enable: yes

SIP Port: 5060

Proxy: sip.faktortel.com.au

Register Expires: 1800

User ID: Your FaktorTel USER ID

Password: Your FaktorTel PASSWORD

Preferred Codec: G729a

Step 6:

Go back to the top of the page and click on the "SIP" tab.

Step 7:

Scroll to RTP Parameters:

RTP Packet Size: 20

Step 8:

Scroll down the page and you will see to settings please make them the same as below:

Handle VIA received: yes

Handle VIA rport: yes

Insert VIA received: yes

Insert VIA rport: yes

Substitute VIA Addr: yes

Send Resp To Src Port: yes

Use STUN: yes

STUN Server: stun1.faktortel.com.au

Step 9:

Now scroll down to the very bottom of the page and Click Save Settings and wait for device to Reboot

Step 10:

Your device should now be connected to FaktorTel.