Panasonic DP-2500 Operating Instructions Manual page 174

PROBLEM SOLVING
Troubleshooting
If you do not hear a dial tone when the
machine (No automatic receive).
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2
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key is pressed or the incoming call does not ring on your
MONITOR
Unplug the Telephone Line Cable from the
telephone jack that was supplied by the
telephone company.
Plug a different regular telephone into the
same telephone jack.
Check for dial tone through the handset. If
there is still no dial tone, report it to your local
telephone company.
or
Call from another telephone to this number. If
the telephone does not ring, report it to your
local telephone company.