Once you have successfully logged in,
click on the Settings tab, choose Telephony,
then click Connections

1. Connection Name: TelTel

2. Authentication Name: User ID – e.g. 722123

3. Authentication Password:Sip User Password

4. Username:  User ID – e.g. 722123

5. Display Name: User ID – e.g. 722123

6. Domain: voice.teltel.com.au

7. Proxy Server Address: voice.teltel.com.au

8. Registration Server: voice.teltel.com.au

9. Registration Refresh Time: 120

10. Click Set to apply configuration