Enabling/Disabling Call Waiting
Aastra Web UI
Use the following procedure to enable or disable Call Waiting on the IP phone.
Note: "Call Waiting" is enabled by default.
1. Click on Basic Settings->Preferences->General.
2.Call Waiting is enabled by default. If required, disable the "Call Waiting" field by unchecking the check box.
3.Click to save your settings.
Additional Features
Model 53i IP Phone User Guide 119