Aastra DT4x3 DECT Telephones User Manual page 84

User Manual
Aastra DT4x3 DECT Telephones
Operational Problems
Fault
No display
No ringing
No change in time & date
setting
Cannot mute handset by
long pressing Sound off
key/Mute button.
Not possible to set the
ring volume to "Silent".
Handset, with In Charger
> Other actions > Sound
off enabled, is not muted
when placed in charger.
Cannot switch off
handset by long pressing
the On-hook key.
Handset, with In Charger
> Other actions> Switch
off enabled, is not
switched off when placed
in charger.
Error or Warning Messages
Display shows
No access
No System. The handset
beeps once a minute
(during max 30
minutes) with a low
tone followed by a high
tone (if enabled, the
vibrator also follows the
beeps).
31 October 2013 / Ver. C
Probable cause
The battery level is low or the
handset is defective.
The sound off icon is on, or ringer
volume set to silent, or the
handset is defective.
PBX dependent.
A handset restriction preventing
the user to silence the handset.
A handset restriction preventing
the user to switch off the handset.
Probable cause
The network is in range, but no
access rights.
The handset is out of coverage or
handset is defective.
TD 92789EN
Action or comment
Charge the battery or contact
system administrator.
Change the screen saver
setting as described in
Screen Saver on page 53.
Long press the Sound off key,
or increase volume, or contact
system administrator.
Changes in the handset
appear after a maximum of
24 hours after a change in
the system or by turning the
handset off and on again.
Enable the parameter
Possible to turn off sound, see
the handset's Configuration
Manual.
Enable the parameter
Possible to switch off
handset, see the handset's
Configuration Manual.
Action or comment
Switch handset off and then
switch it on again or contact
system administrator.
Stop the beep with the Sound
off key and go into range.
Note: When re-entering the
coverage area it can take a
couple of minutes before the
handset automatically has
registered into the system.
or
contact system administrator.
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