60
Frequent Problem Sources
You are not hearing a Dial Tone after Picking up the
Receiver
햲
If you only have this problem with some internal telephones, please
check the wiring and plugs. Please also check the telephone.
햳
If you only have this problems with single internal telephones, prob-
ably no internal telephone numbers were defined via configuration
program.
햴
If you only have this problem with some internal telephones, these
might be configured as door phones with COMset. In this case, you
are immediately connected with the door after picking up the
receiver.
햵
If you have this problem with an ISDN telephone, you might not
have entered the first MSN into the telephone. Try to correct this
problem. Make sure that this MSN is presented to the PBX later
(see manual of the telephone).
햶
Disconnect the telephone from the PBX for 5 seconds and an even-
tually existing external power supply (Pull the plug). If the problem
is solved, the telephone had a malfunction.
햷
If you have this problem with all internal telephones, check the
power plug connection of the PBX or the possibility of a power fai-
lure.
햸
If you have this problem with all internal telephones, disconnect the
PBX from the external power supply (Pull the plug) for 5 seconds or
perform a reset (
). If you hear the dial tone then, the PBX
had a malfunction. If you are still not hearing the dial tone, please
contact your dealer or administrator of the PBX.
You are hearing a Clicking/Breaking after Picking up the
Receiver
햲
If this is an analog telephone, the „call charge transmission imme-
diately“ has been activated with the configuration program COMset.
You will hear these charge unit pulses for the previous call after
picking up the receiver (particularly, if it was an expensive long dis-
tance call). If your telephone is not able to display charges, this con-
figuration may be obsolete.
햳
Check the curled cord of the receiver for defects.
You are hearing a pulsating Tone (Special Dial Tone) for 2
seconds after Picking up the Receiver
햲
An automatic dialling has been configured for the telephone. You
can switch this function off, if unwanted.
You are hearing a pulsating Tone (Special Dial Tone) after
logging into a Group
햲
Eventually a group call forwarding has been configured for the
group. You can switch off this function, if unwanted.
You are hearing a pulsating Tone (Special Dial Tone) after
Picking up the Receiver
햲
Eventually a subscriber call forwarding has been configured for the
telephone. You can switch this function off, if unwanted.
햳
Eventually a do-not-disturb service has been configured for the tel-
ephone. You can switch this function off, if unwanted.
햴
Please check, if the filling status of the call data memory has
exceeded 80%. If possible, delete the call data memory entries.
햵
Check, if the type of dial tone has been modified and reconfigure
this modification, if unwanted.
You are hearing the internal Dial Tone on a direct Exchange
Line Telephone
햲
The dialling method of the telephone is unknown to the PBX. Dial a
7
and put the receiver on hook.
Your are hearing the Busy Tone after picking up the
Receiver on a direct Exchange Line Telephone
햲
All available public exchange lines are busy.
Telephoning impossible
The most important requirement for telephoning is the presence of a dial
tone after picking up the receiver. If this is not the case, the previous
chapter will help you.
If an external call is not possible with your telephone, please check, if
this problem is also existing on other internal telephones or if dialling a
different external number is possible.
Telephoning on the internal S
0
Port is not possible
햲
If you hear the busy tone after picking up the receiver, eventually
both voice channels of the internal S
0
ports are busy. Try again
later.
햳
Please check on your ISDN telephones, if you have entered the first
MSN as an internal subscriber number. If not, try to correct this
problem. Make sure that this MSN is presented to the PBX (see
manual of the telephone).
햴
Disconnect the telephone from the PBX for 5 seconds and an even-
tually existing external power supply (Pull the plug). If the problem
is gone, the telephone had a malfunction.
햵
Disconnect the PBX from the external power supply (Pull the plug)
for 5 seconds or perform a reset (
). If the problem is solved,
the PBX or the telephone had a malfunction.
햶
If an internal S
0
bus is existing, please check the wiring.
햷
Check whether you really have configured the corresponding S
0
port as an internal S
0
port. (
b7 Q 96
1 # f
public
password
continuous dial
tone
selected
tone
and/
or
2
PBX dial tone
(3 x short)
and/
or
3
acknowledge-
ment tone
and/
or
4
busy tone
and/
or
5
special dial tone
and/
or
6
ringing tone
and/
or
7
Call Waiting
tone (Knocking)
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