Cortelco Caller ID Type II Multi-Feature Telephone 2705 - Manual (Page 22)

22
T
ELEPHONE
S
ERVICE
P
ROBLEMS
If you have any problems with your telephone service, determine if the
problem is with your unit or the telephone company lines BEFORE CALLING
THE TELEPHONE COMPANY. Be aware that the telephone company may
charge you for a service call if the problem is caused by your telephone.
TROUBLESHOOTING
PHONE DOES NOT RING
1. Line cord is disconnected at telephone outlet or at telephone.
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 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
1. Check if the adapter is connected properly.
2. 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 Caller ID service the unit will not display call waiting caller ID information.
2. Check if your answering machine is set to answer before 2 rings.
NO CALLER INFORMATION IS DISPLAYED WHEN HEARING THE CALL WAITING
BEEP
Verify that you have subscribed to Call Waiting Caller ID service from your tele-
phone company.
MESSAGE ERROR HAPPENS FREQUENTLY
Caller information was not transmitted properly. Check with your telephone com-
pany to see if there is a problem with your phone line.
Since our special design will always retain your stored call records even with
the power adapter disconnected, we encourage you to disconnect all the
telephone cords and adapter; and then reinstall the unit step by step per this
instruction manual before you ask for service.