AASTRA 480i ユーザーズマニュアル

Operational Features

41-001129-00 Rev 09, Release 1.4.1

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Operational Features

1

Click on Basic Settings->Preferences->General.

2

Enable the "Suppress DTMF Playback" field by checking the check box.
(Disable this field by unchecking the box). Default is disabled.

3

Click 

 to save your settings. 

You must restart your IP phone for the changes to take affect.

4

Click on Operation->Reset.

5

In the "Restart Phone" field click 

 to restart the IP phone and apply the changes.