Basic Call Features
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Placing a Call Back to the Last Incoming Call
You can configure a Recall key to place a call back to the last incoming call quickly.
Procedure:
1. Navigate to Menu->Features->DSS Keys.
2. Select a desired line key.
3. Select Key Event from the Type field.
4. Select ReCall from the Key Type field.
5. (Optional.) Enter the string that will display on the LCD screen in the Label field.
6. (Optional.) For the SIP-T52S IP phone, enter the string that will appear on the LCD screen in
the Short Label field.
7. Press Save.
Recall key is configurable via web user interface at the path Dsskey->Line key.
Dialing the Hotline Number
You can configure the hot line feature with a hotline number and hotline delay. Then the IP
phone will dial out the hotline number automatically after the delay time when you lift the
handset, press the Speakerphone key or the line key.
Procedure:
1. Navigate to Menu->Features->Others->Hot Line.
2. Enter the desired number in the Hotline Number field.