User guide

Yealink SIP-T4X IP Phones Auto Provisioning Guide

4. Fill the provisioning server address in the input field.

5. Click the OK button to finish setting a custom option.

6. Click to save the change.

If you have installed the Cool Edit application, double click to open it. Otherwise, you

can download the installation package online:

http://www.toggle.com/lv/group/view/kl36218/Cool_Edit_Pro.htm and install it.

To customize a ringtone using Cool Edit Pro:

1. Open the Cool Edit Pro application.

2. Click File to open an audio file.

3. Locate the ringtone file, click Open, the file is uploaded as follows.