Samsung OfficeServ ITP-5012L User Manual page 162

ANNEX
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Nothing appears on the LCD screen while the ITP-5012L phone is being
used.
!
Check the data network cable is correctly connected to the LAN socket on the
ITP-5012L phone.
(Refer to 'Assembling the ITP-5012L IP phone' section of 'Preparation' in this guide.)
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The ITP-5012L 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 heard 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.
Keep 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.
! 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.
* Refer to 'the Caller ID(CID) Presentation' from the 'Convenient Features' section of this guide.
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