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Aastra DT390 - Troubleshooting

Aastra DT390
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Reference
22 Reference
This section describes the terminology used on the display, the phone
communication signals, guidelines, technical specifications, spare parts and
accessories.
22.1 Terminology
The list below explains the terms which may appear on the display.
Term Meaning
DTMF
Dual Tone Multi Frequency or touch tone, for dialling.
IPEI International Portable part Equipment Identity, unique identity
assigned to your Cordless phone by the manufacturer.
PIN
Personal Identification Number for security.
22.2 Phone Signals
The Cordless phone signals certain events audibly and v isually as described
below
Signal
Meaning
Red warning
light
Incoming call.
Message waiting.
Battery almost empty.
Cordless phone out of range or not connected
The Cordless phone also generates audible ringing signals, alarm s ignals and
warning tones, and key clicks
Sound
Meaning
Ringing signal Incoming call.
4 short beeps every 30 seconds: battery almost empty. 4
short beeps every 2 minutes: Cordless phone out of range
or not connected.
Key click
You hear this each time you press a key (when selected).
Warning tone
You pressed a key which has no function.
95
1424-EN LZT 103 091 Uen A1 2008-10-27

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