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20CC User Guide
Headset Usage & Answer Release
The 20CC is designed for use with headsets. Pressing the ANSWER RELEASE key has the same effect
as lifting or replacing the handset.
If the headset is connected via a Multi-Purpose Amplifier (MPA) box, the barrier box supplied with the
turret must also be used with the barrier box connected directly to the socket marked
H/SET under the turret. Use of the barrier box protects the turret in high static environments.
Tones & Ringing
The phone uses various tones and rings to indicate events. A sample of these appears below. You can
alter the ringer volume, sound, switch it on/off, etc.
Incoming Calls:
•
Repeated Single Ring: Internal call.
•
Repeated Double Ring: External call.
•
Single Tone: Page call (see Answering a Page Call).
Making Calls:
•
Dial Tone: Dial number.
•
Repeated Tone: Busy number.
•
Continuous Tone: Number called unobtainable.
The Phone Lamp
The phone uses its lamp (above the VIEW key) to show calls and messages.
•
Fast Flashing Lamp: Call Waiting, see Answering a Call Waiting.
•
Lamp On: Message, see Answering a Message.
•
•
20CC Telephone User Guide
IP Office
Repeating Double Flash: External call.
Repeating Single Flash: Internal call.
40DHB0002UKAJ Issue 6b (2nd December 2004)
Page 2
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