IMPORTANT NOTICE
6
ABOUT THE MARKS USED IN THIS MANUAL
The following table shows the meaning of the marks used in this manual.
DT920: Only supported with DT920 Series.
DT530: Only supported with DT530 Series.
CAUTION: The works that a user cannot perform by himself, some dangers that may cause damages to the
terminal and other cautions are described.
TIP: Useful tips when using this terminal are described.
TERMS IN THIS MANUAL
The following table shows the terms described in this manual.
You will hear the dial tone from handset when you hang up the hand set. If you press speaker key, you will hear
the dial tone from speaker.
If you press the transfer key while you are in conversation with calling party, you will hear the special dial tone.
When you dial an extension number, you will hear the ringback tone from handset.
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