Samsung DS5021D User Manual
Page 142
Page 128
© SAMSUNG Electronics Co., Ltd.
ANNEX
Caller IDs are not displayed on the LCD screen.
!
Confirm with your System Administrator that the caller ID service is available from
your Telephone Company.
!
If the caller blocks the sending of their caller ID, the caller ID will not be displayed.
!
If the caller makes a call from an area where the caller ID cannot be provided
(e.g., international calls), the caller ID will not be displayed.
!
If the caller makes a call from a public phone, the caller ID will not be displayed.
!
If the caller ID received from the Telephone Company is corrupt, the caller ID will not be
displayed.
!
If the Telephone Company does not send a caller ID, the caller ID will not be displayed.
An alarm does not ring at the programmed time.
!
Check the current time is set on the DS-5021D/5014D Phone correctly.
If the current time setting needs to be changed, contact your System Administrator.
!
Check if an alarm is set.
(Refer to ‘Setting Alarm Reminders’ in the ‘Application Menus’ section of this guide.)
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