The Phone does not ring and volume is too low.
Conversation quality is reduced due to noise and echo.
Excessive echo is emitted during a page announcement or with Auto Answer set.
An alarm does not ring at the programmed time.
Caller IDs are not displayed on the LCD screen.
Press the Volume [ 
] button to adjust
▶the volume.(Refer to ‘Volume Adjustment’ section of the ‘Things You Should Know’ section in this guide.)
If you are using the speakerphone, lift the
▶handset and try speaking.
If 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(about 1 m) between phones.
-Check the current time is set on the Phone correctly. If the current time setting needs to
▶be changed, contact your System Administrator.
-Check if an alarm is set.(You should consult your System Administrator.)
-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.
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