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In general there is no 100 per cent protection against
malicious use of PBX functions. Please pay attention that
a protection against malicious use can only be guaran-
teed if you have defined a administrator and user password in the
PBX.
... if you do not allow the access to the PBX and its programming.
... if you use the available authorizations with care (authorization
for the programming via the internal S
ization, exchange line authorization, Blocking numbers etc.).
In addition to the functions that protect against unauthorized program-
ming, telephoning and transfers, the PBX has several other security
functions.
Emergency Short-Code Dialling and Priority Func-
tion
Emergency has priority (emergency priority circuit) is switched on in
COMset and makes a public exchange line available at any time when
dialling a emergency short-code dial number or when tripping an alarm.
If all lines are busy, an existing call will be terminated for the emergency
call. The Emergency short-code dial numbers can be entered into
the short-code dialling memory by the administrator with COMtools tel-
ephone book or via telephone
(page 35 in the user
Alarm Functions
If your PBX is equipped with a door/switch module, and the alarm input
on the module (unused door bell button input) is properly connected
(e.g. to the output of an alarm system), you can also use the alarm func-
tions
(page
52).
If you have extended the PBX with a COMmander 2TSM analog mod-
ule, you will have 6 switch relays and much more. These offer many
configuration options to you. The table on
view to you.
Door Functions
If you like to enable the door telephony and the door opener function,
the following settings are necessary or possible in COMset:
For the buttons the corresponding door terminal, the key determina-
tion door as well as the kind of contact have to be set.
Under Internal telephone numbers a door terminal has to be config-
ured.
Under Call distributions the assignment Door -> Subscriber has to
be set.
For the relays the operation modes Door terminal function, door
opener function and perhaps Floor light with the requested Duration
time have to be set.
For the case that nobody takes the door call, the visitor, in front of the
door, can also be connected to the answering machine. Under Internal
call forwarding from the door terminal the ringer rhythm used by the
answering machine has to be configured properly.
The door call can also be diverted to an external connection. The Exter-
nal call forwarding from the door terminal has to be used. The con-
figuration of this function is also possible via telephone
user
manual).
port, programming author-
0
Security Functions
manual).
Configure the COMmander 2TSM analog Module
page 31
gives a short over-
(page 40 in the
A responsible use of passwords is absolutely necessary for the
protection against malicious use.
Further advice for the protection against malicious use can be
found in the report of the Bundesamtes für Sicherheit in der Infor-
mationstechnik: „Sicherer Einsatz von digitalen Telekommunikati-
onsanlagen" on the Internet at http://www.bsi.de/literat/tkanlage/
6001.htm.
Automatic Dialling (Hot Line)
With the automatic dialling function (Hot Line) you can configure your
telephone to dial automatically an internal or external number. This may
be configured with COMset or by each subscriber with his telephone
(page 39 in the user
manual).
Room Monitoring
A room can acoustically be monitored from internal or external callers if
room monitoring has been enabled for a telephone in the room
(page 40 in the user
manual). It is only possible for one telephone at the
same time. For the external room monitoring the remote programming
and switching MSN/DDI as well as the Remote password have to be
configured in COMset.
To identify the visitor's door bell button the signalization of the door
bell button number for individual subscribers can be enabled.
If a telephone should only be used for the door function, you can set it
as door terminal phone. This telephone will immediately be connected
to the assigned door right after the receiver has been picked up.
If door opening should not be possible with a certain telephone, you can
withdraw the authorization to open the door from this subscriber.
Universal switching Relays
If a relay should be used as an universal switching relay, the following
settings are necessary in COMset:
For the relay the operation mode Universal mode has to be selected.
If the relay has to be switched configuration dependent, you have to
activate Turn on if configuration x is active and create the corre-
sponding configuration.
If the relay has to be switched on as soon as a certain internal sub-
scriber of the PBX is called, you have to activate Turn on if PC relay
subscriber is called and to select the PC relay subscriber as well as
the Duration time.
But you can also switch manually from an internal or external telephone
(remote switching,
page 41 in the user
remote switching the authorization to switch to the relays has to be
assigned. For the remote switching the MSN/DDI for room monitoring
and external programming and the external password have to be
configured.
51
Configuration Options
manual). For the internal and
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