Cortelco 3220 Telephone User Manual


 
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.
TELEPHONE SERVICE PROBLEMS
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
PHONE DOES NOT RING
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.
REDIAL BUTTON DOES NOT FUNCTION
The telephone may have been momentarily disconnected from the telephone
jack.
BLANK SCREEN
Check if the adapter is connected properly.
Press the Contrast button to see if contrast level is set correctly.
CALLERS ARE NOT DISPLAYED ON THE SCREEN
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
AUDIO SOUND
Verify that you have subscribed to the Call Waiting Caller ID service from your
telephone company.
MESSAGE ERROR HAPPENS FREQUENTLY
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