TIPTEL 28XS, Руководство пользователя

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tiptel IP 28xs Overview
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Overview
Keypad Instruction
You can check the following list which introduces the IP phone’s keypad in details:
Hot Key
This IP phone has two DSS keys; users can specify corresponding functions through the Web UI.
DTMF Keypad
Use the DTMF hard keys to enter numbers, letters and special characters.
Volume Adjustment
Adjust the volume of the handset, ring tone and signal tone;
Hard Feature Keys
HOLD Call hold;