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If something does not work as expected, you will find some tips to solve
a problem in this paragraph. If you already excluded an unwanted pro-
gramming or external influences, we recommend to make an auto-
matic PBX software update (see
ware Update Button on page
eventually solve some problems of the PBX. The call data, wake-up
times and configurations remain unchanged of course. Only the oper-
ation software of the PBX will be updated.
You are hearing an unexpected Tone (Check Tones)
Various tones in the receiver are signalling various operating modes of
the PBX. The PBX is generating the following tones:
Acknowledgement tone: You will hear this tone in the programming
mode, e.g. as a signal for entering the correct password or the comple-
tion of a programming.
Internal dial tone: After taking the receiver off-hook or pressing the
FLASH- or R-Key you will hear this tone. This signals that you can start
dialling a number now. In the default factory settings, the PBX dial tone
(3 x short) is configured as an internal dial tone. If you prefer to have
another tone, you can configure the continuous or special dial tone
(chapter You are hearing an unexpected Tone (Check Tones) on
page 61 in the user
manual).
External dial tone: This tone is a continuous dial tone. You will hear
this tone after having dialled the exchange line access number (Direct
exchange line telephone: After taking the receiver off-hook) as a signal
for access to the exchange line.
Busy line: This tone signals a busy line, a mistake in a programming
sequence or a missing permission (see also
Number and are Hearing the busy Tone on page 13 in the user
Ringing Tone: This tone will be generated after dialling a number or
when accepting a recall as a signal for calling a subscriber.
Call Waiting Tone: This tone is signalling another external caller trying
to reach you. It is also generated by an incoming door or alarm call.
Special dial tone: This tone instead of the internal dial tone signals an
active do-not-disturb, baby call or subscriber call forwarding service. It
also signals an almost filled call data memory. If you configured this
tone as an internal dial tone, this signalling would not be possible any-
more.
If you hear a different tone than expected and described in the program-
ming description, most often a mistake in dialling or a missing authori-
zation or permission is the reason. The following chapters will describe
examples of these situations.
To get familiar with the tones, you can listen to the tones with your
phone with the following function. If you are already listening to a tone,
you can select another tone with the digit +
Frequent Problem Sources
chapter The Automatic PBX Soft-
16). The new software version may
chapter You are Dialling a
manual).
#
.
Service Functions, Troubleshooting
b7 Q 96
public
pass-
word
You are not hearing a Dial Tone after Picking up the Receiver
If you only have this problem with some internal telephones, please
check the wiring and plugs. Please also check the telephone.
If you only have this problems with single internal telephones, prob-
ably no internal telephone numbers were defined via configuration
program.
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.
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).
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.
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.
If you have this problem with all internal telephones, disconnect the
PBX from the external power supply (Pull the plug) for 5 seconds or
press the reset key. If you hear the dial tone then, the PBX had a
malfunction.
You are hearing the internal Dial Tone on a Direct Exchange Line
Telephone
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
All available public exchange lines are busy.
1 # f
continuous dial
selected
tone
2
and/or
PBX dial tone
(3 x short)
3
and/or
acknowledge-
ment tone
4
and/or
busy tone
5
and/or
special dial tone
6
and/or
ringing tone
7
and/or
Call Waiting
tone (Knocking)
61
tone
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