8
Call Through with Password
In order to avoid a malicious use by unauthorized callers, the function Private Exchange Line Access (if
supported by the PBX) can be used. Then the caller must enter a password before entering an external
telephone number (e.g. „password 0 05306 9200700“).
Configure the exchange line authorization for the analog extension connected with the socket „ATA“ in
a manner that external calls are only possible with Private Exchange Line Access (when entering a pri-
vate password: see manual of the PBX).
Normally the Private Exchange Line Access is started with entering of some special digits (e.g. „90“ for
some Auerswald PBX systems), afterwards the private password can be entered. Enter these special
digits as pre-configured destination number into the Auerswald Box as described in the following:
☞
When entering the telephone number the signs
*
and # are also possible. If you wait at least 5 seconds
during the dialing, you will hear a confirmation tone as a signal that a pause has been saved.
If a Call Through to internal telephones should still be possible, do not enter the exchange line access
digits into the Auerswald Box. Then the caller has to dial the exchange line access digits and to enter
the password before dialing an external telephone number (e.g. „90 password 0 05306 9200700“).
Important Information on Call Through with Auerswald Box
Please note that via the Auerswald Box a modification of the settings of the PBX are possible, too. Do
not enable any programming authorization for the extension connected with the jack „ATA“ of the
Auerswald Box or protect the PBX by passwords to prevent unauthorized interventions.
Configure (if supported by the PBX) LCR (Least Cost Routing) for the internal extension of the Auerswald
Box to save money (see manual of the PBX).
Each internal subscriber can start outgoing external calls with the Auerswald Box. In this case a restriction
by authorizations or number restrictions (e.g. 0900, 0190, 0180) is not possible.
e
Attention: Please check if the PBX generates a busy tone on the port connected to the jack „PBX/
Tk-Anlage“ on call completion (may be a configuration option in the PBX). Connections are not
terminated otherwise.
e
Attention: Unauthorized persons may use your PBX to dial through to an external telephone
number and make calls at your cost if they know the special external telephone number (Call
Through number). Please absolutely pay attention on the following security advice:
The length of the call should be limited. In the default factory settings the Auerswald Box only permits a
maximum call duration of 60 minutes. How it can be changed is described in the chapter “Configure the
maximum Call Duration” on page 10.
Configure a number restriction (e.g. 0900, 0190, 0180) for the internal extension of the Auerswald Box
labeled wit „ATA“ (if supported by the PBX: see manual of the PBX) to prevent the dialing of these tele-
phone numbers.
In order to avoid a malicious use by unauthorized callers, the function Private Exchange Line Access (if
supported by the PBX) can be used. How to configure it is described in the chapter “Call Through with
Password” on this page.
☞
Additional general advice of programming and telephoning with the Auerswald Box can be found on page
10.
N
1
e. g
90
press the programming
key on the Auerswald
Box for at least 3 sec-
onds until the LED
nearby flashes
pick up the receiver
of any available
internal telephone
dial the telephone
number of the inter-
nal extension of
the Auerswald Box
(e.g. 34)
wait for the
end of the
confirma-
tion tone
dial „1“
dial digits for
Private Exchange
Line Access
hang up
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