H-TEK UC842, User Manual, Page: 90 / 142

Basic Call Features
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4. Press and or press key to select the Call Return.
5. Press or Save soft key to save the configuration
To configure the Call Return via Web interface
1. Click Function keys
→
Line key.
2. Select the desired Line key and select Call Return in the Type.
3. Click the to save the configuration.
Call Waiting Tone
1. Click Setting
→
Features
2. Select Call Waiting: On and Call Waiting Tone: On
To Change the Call Waiting Tone time via Web interface
1. Click Setting
→
Tone