2.
3.
1.
2.
3.
1.
2.
Select the desired Line Key and select Call Return in the Type.
Click the
button to save the configuration.
Call Back
When this option is set, if the phone you call is busy and does not set call waiting or voice mail, your LCD screen will prompt for call-back, as shown in
figure
If you press the callback, the phone will dial the Callback phone number.
To configure the Call Back via Web interface
Click Setting Features Callback.
Fill the Callback phone number.
Click
to save the configuration.
Call Waiting Tone
Click Setting Features
Select Call Waiting: On and Call Waiting Tone: On
To Change the Call Waiting Tone time via Web interface
1. Click Setting Tones
2. Change the Tone Time as you want (for example 3s)
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