Samsung OfficeServ ITP-5021D User Manual page 125

ANNEX
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Nothing appears on the LCD screen while the ITP-5021D/5014D phone is
being used.
! Check that the data network cable is correctly connected to the LAN socket on the
ITP-5021D/5014D Phone.
(Refer to 'Assembling the ITP-5021D/5014D IP phone' section of 'Preparation'
in this guide.)
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The ITP-5021D/5014D Phone does not ring and volume is too low.
! Press the [▼Volume▲] button to adjust the volume.
(Refer to 'Volume Adjustment' section of the 'Things You Should Know' section in
this guide.)
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Conversation quality is reduced due to noise and echo.
! If you are using the speakerphone, lift the handset and try speaking.
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Excessive echo is emitted during a page announcement or with Auto
Answer set.
!
If IP phones are too close to each other, sound from one speaker might echo
during a page or on auto answer call.
Maintain a reasonable distance between IP phones.
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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.
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