9.2 Internal call (intercom)
10 Troubleshooting
Symptom
No display
No tone
Volume of conversation
partner too low
Handset ringer volume
too low
Not possible to dial a
number
2
Press and hold the INT key for 3 seconds. Now you can
talk with the second handset and external line at the
same time (conference call).
3
Press the INT key again to return to the external call.
4
Press the line key when you want to terminate the call.
1
In standby, press the INT key, followed by the number
of the handset (1-4).
The other handset will start to ring.
2
Press the line key to pick up the line.
Now you can talk internally.
3
Press the line key when you want to terminate the call.
Possible cause
Batteries uncharged
Handset turned off
Telephone cord badly
connected
The line is occupied by
another handset
Wrong dial mode
Troubleshooting
Solution
Check the position of
the batteries
Recharge the batteries
Turn on the handset
Check the telephone
cord connection
Wait until the other
handset hangs up
Adjust the volume
during the conversation
by pressing the volume
key
Adjust the ringer
volume
see "6.11 Setting the
dialling mode" to set
the correct dialling
mode
21