If you need help logging in for the first time please see this guide : Telephone Features First Login
Call Waiting is a feature that notifies you when you have an incoming call when you are already on another call.
1. Click the Call Waiting link to open the feature page.
The following page will load:
2. Enable or disable the feature by selecting the "On" or "Off" radio button.
3. Check "Disable Calling Line ID Delivery on Call Waiting" if you do not want to see incoming caller ID.
4. Click "Apply" when finished.