Extension does not operate.
The Hybrid IP-PBX does not
Noise on external paging.
Distorted external music.
and Live Call Screening (LCS)
do not function as set when using
a Wireless Phone (KX-T7880/
The ALARM indicator on the
front of the cabinet turns on red.
Bad extension card.
Bad connection between the
Hybrid IP-PBX and telephone.
A telephone with an A-A1 relay
Induced noise on the wire
between the Hybrid IP-PBX and
Excessive input level from
external music source.
Voice-calling mode and Hands-
free mode with LCS are not
available with Wireless Phones.
A major system error occurs in
the Hybrid IP-PBX.
Exchange the card for a known working
Take the telephone and plug it into the
same extension port using a short
telephone cord. If the telephone works,
then the connection between the Hybrid
IP-PBX and the telephone must be
Use a 2-wire cord.
Set the A-A1 relay switch of the
telephone to the "OUT" or "OFF"
Take the telephone and plug it into
another extension port that is working.
If the telephone does not work, replace
Press the Reset Button (refer to "4.1.4
Using the Reset Button").
Turn off the power switch, and then turn
it back on.
Turn off the power switch, and then
unplug the Hybrid IP-PBX. After 5
minutes, plug the Hybrid IP-PBX back
in, and turn the power switch back on.
Use a shielded cable as the connection
wire between the Hybrid IP-PBX and
amplifier. A short shielded cable is
Decrease the output level of the
external music source by using the
volume control on the music source.
Switch the calling mode to ring-calling.
Set the LCS mode to "Private".
See the error log using the KX-TDA30
Maintenance Console (refer to "4.1.5
Troubleshooting by Error Log").