Cortelco 8782 Telephone User Manual


 
13
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
Line cord is disconnected at telephone outlet or at
telephone end.
Phone is OFF HOOK. Make certain the hookswitch is
depressed when the handset is in the cradle.
SPEAKERPHONE is on. Turn off speakerphone.
NO DIAL TONE
Test the telephone in a different wall jack. If it works, the
first jack may be defective.
HAVE DIAL TONE BUT CANNOT DIAL OUT
Incorrect dialing mode. Switch to DTMF or PULSE mode as
needed.
BLANK SCREEN
Since this unit is line powered, the screen is blank while not
on a call.
CALLERS ARE NOT DISPLAYED ON THE SCREEN
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 this
unit will not display the call waiting caller ID information.
Check if your answering machine is set to answer the call
before 2 rings.
MESSAGE WAITING LIGHT DOES NOT WORK
Verify that the Message Waiting Switch (see Page 6) is set
to the correct position for the MW signalling being
delivered.
CANNOT MAKE CALLS ON HEADSET
Verify that the headset is firmly plugged into the headset
jack on the base of the unit.
Always disconnect all the telephone cords, and then reinstall the
unit step by step per this instruction manual before asking for
service.