Cortelco 3220 instruction manual Telephoneserviceproblems

Models: 3220

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will appear in the display, press Delete to confirm you really want to erase all entries. “NO RECORDS” appears in the display confirming there are no directory entries in memory.

TELEPHONESERVICEPROBLEMS

If you have any problems with your telephone equipment service, determine if the problem is with your unit or the telephone company lines. BEFORE CALLING THE TELEPHONE COMPANY, be aware that they may charge you for a service call if the problem is caused by your telephone equipment.

TROUBLESHOOTING

PHONEDOESNOTRING

1. Line cord is disconnected at telephone outlet or at telephone end.

2. Phone is OFF HOOK. Make certain the hookswitch is depressed when the handset is in the cradle.

3. SPEAKERPHONE indicator is on. Turn off speakerphone.

NO DIAL TONE

Wire is disconnected at telephone jack or at wall jack. Test the telephone in a different wall jack. If it works, the first jack may be defective.

REDIALBUTTONDOESNOTFUNCTION

The telephone may have been momentarily disconnected from the telephone jack.

BLANKSCREEN

Check if the adapter is connected properly.

Press the Contrast button to see if contrast level is set correctly.

CALLERSARENOTDISPLAYEDONTHESCREEN

1. Verify that you have subscribed to the appropriate service (Caller ID and Call Waiting Caller ID) from your telephone company. If you only subscribed to the Caller ID service this unit will not display the call waiting caller ID information.

2. Check if your answering machine is set to answer the call before 2 rings.

NO CALLER INFORMATION IS DISPLAYED WHEN HEARING THE CALL WAITING AUDIOSOUND

Verify that you have subscribed to the Call Waiting Caller ID service from your telephone company.

MESSAGE ERROR HAPPENS FREQUENTLY

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Cortelco 3220 instruction manual Telephoneserviceproblems