To upload the file:
- Download the attached file and unzip it to your desktop
- Enter the IP address of your Yealink telephone into your web browser
- Click on Settings > Configuration
- Click on "Choose file" next to "Import CFG Configuration File"
- Select the file Voipfone-UK-Yealink-DialNow-21JUL15.cfg
- Click on the "Import" button
- If a pop up appears requesting permission to import the configuration click "OK"