NEC AT-21 Telephone User Manual


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Thank you for purchasing the NEC “Topaz” system.
Due to the flexibility built into the system, your Dialling Codes and Feature Capacities may differ from those
in this guide. Check with your Supplier / System Administrator and make a note of any differences.
Before using Your Telephone…
Using Your Telephone
NEC AT-21 Single Line Telephone is displayed here. This User Guide describes general analogue Single Line
Telephone (SLT) procedures. Refer to the User Guide included with to your specific SLT for details on
additional key functions.
Redial Key
Flash Key
Handset
Dial Keys
Message Lamp
Ring Key
Volume Control Keys
Forwarding Calls / Do Not Disturb
Do Not Disturb (DND)
1
3
2
4
0
DND : Trunk Incoming Call
DND : Intercom Incoming Call
DND : Trunk & Intercom Incoming Call
DND : Transferred (CFW) Call
DND : Cancel
When you set DND, the Internal Dial Tone pattern changes.
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Call Forwarding / Follow Me
When you set a Call Forward, the Internal Dial Tone pattern changes.
8 ? ? ?
Extension Number
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7
62
4 0
Busy / No Answer
Cancel
?
CFW Condition
?
CFW Type
Immediate
No Answer
Dual Ring
2
4
3
FWD All Calls
FWD Outside Calls only
FWD Intercom Calls only
3
Follow Me
Call Forward Off-Premise
When you set a Call Forward, the DND/CONF Key’s lamp flashes and the Internal Dial Tone pattern
changes.
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Tele phone Number
? ? ?9
To Cancel
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