A bell is not ringing, or the bell sound is low.
The call status is bad because of noise and interference while calling.
There is too much howling in the announcement.
Caller ID is not displayed on the LCD screen.
Alarm is not ringing at the setting time.
Press the [TVolumeS] button to turn the bell volume up.
▶(See ‘Adjusting Volume’ of contained of ‘THINGS YOU SHOULD KNOW’ in this document.
Use the handset for the call if you were using
▶the speakerphone.
The speaker may echo if the internal phones
▶are too closed each other. Please keep the distance between the phones at the interval of one meter.
-Check if the(Calling Line Identification Presentation)CLIP service is requested to the telephone company.
-Caller requested the telephone company not to disclose his/her ID.
-Call was made from an area where the CLIP
▶service is not provided(e.g., international calls).
-Call was made from a public phone.
-Information provided by the telephone company is damaged.
-The telephone company does not service CLIP.
Check if the current time is properly set at the
▶phone. Contact the system operator if the time setup should be changed.
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