Note
In some countries (e.g. Switzerland), the call in the D channel can also incur
costs. An incorrect configuration at the called side can mean that the called
side opens the B channel the calling side incurs costs.
The following options are only available on devices with an ISDN connection:
Fields in the menu IPSec Callback
Field
Description
Mode
Select the Callback Mode.
Possible values:
•
4
(default value): IPSec callback is deactivated.
The local device neither reacts to incoming ISDN calls nor
initiates ISDN calls to the remote device.
•
6!!4
: The local device only reacts to incoming ISDN
calls and, if necessary, initiates setting up an IPSec tunnel to
the peer. No ISDN calls are sent to the remote device to
cause this to set up an IPSec tunnel.
•
4
: The local device sends an ISDN call to the remote
device to cause this to set up an IPSec tunnel. The device
does not react to incoming ISDN calls.
•
(
: Your device can react to incoming ISDN calls and
send ISDN calls to the remote device. The setting up of an
IPSec tunnel is executed (after an incoming ISDN call) and
initiated (by an outgoing ISDN call).
Incoming Phone Num-
ber
Only for Mode =
6!!4
or
(
Enter the ISDN number from which the remote device calls the
local device (calling party number). Wildcards may also be
used.
Outgoing Phone Num-
ber
Only for Mode =
4
or
(
Enter the ISDN number with which the local device calls the re-
mote device calls (called party number). Wildcards may also be
used.
Transfer own IP ad-
Select whether the IP address of your own device is to be
13 VPN
Gigaset Communications GmbH
264
hybird 120 Gigaset Edition
