Cortelco 2500 Telephone User Manual


 
TELEPHONE SERVICE PROBLEMS
If you have any problems with your telephone service,
determine if the problem is with your telephone 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.
NO DIAL TONE
Unplug your telephone from the wall jack. Plug a
substitute telephone that is known to work properly into
the same wall jack.
If the problem persists when using the substitute
telephone, notify the telephone company.
If the substitute telephone works properly, you must have
your telephone repaired before reconnecting it to the wall
jack.
DIAL TONE BUT NO RINGING
Check that the RINGER VOLUME CONTROL is not set to
OFF.
Set the RINGER VOLUME CONTROL to HIGH and have
someone on another line call you. Before answering the
call, set the RINGER VOLUME CONTROL to the desired
volume.
DIAL TONE BUT NO DIALING
If your telephone has a TONE/PULSE switch:
Set the TONE/PULSE switch. You cannot dial out in
TONE position if you have Rotary Dial Service.
For Rotary Dial Service, set the switch to PULSE position.
For Tone Dial Service, set the switch to TONE position.
Try both positions if you are not sure.