Unable To Accept Incoming Voice Call - D-Link DMI-128ESU+ User Manual

9.6 Unable to Accept Incoming Voice Call

Is there dial tone when
headset is removed from
the hook?
Yes
Is the incoming calls
being rejected?
No
Is this analog port
connected to more than
one telephone and/or fax?
D-LINK ISDN TA DMI-128ESU+
Go through checks
No
outlined in section 2 and 3
of this trouble-shooting
manual. Contact the phone
manufacturer if the phone
still fails to work.
1. Please confirm the
telephone is functioning
properly on the other
Yes
end.
2. Confirm Data bits; stop
bits, Parity and Flow
control type settings.
3. Reset service functions
to the same settings on
both calling side and
called side.
4. Terminate "Call Screen"
function.
Yes
Only one telephone set or
one fax machine can be
connected to one analog
port. Please disconnect all
additional devices.
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