Field Description
Transfer own IP ad-
dress over ISDN/GSM
Select whether the IP address of your own device is to be trans-
ferred over ISDN for IPSec callback.
The function is enabled with ,.
The function is disabled by default.
Transfer Mode Only for Transfer own IP address over ISDN/GSM = enabled
Select the mode in which your device is to attempt to transfer its
IP address to the peer.
Possible values:
• -3" # : Your device automatically de-
termines the most favourable mode. It first tries all D channel
modes before switching to the B channel. (Costs are incurred
for using the B channel.)
• -3" ,& . 2, %#: Your device auto-
matically determines the most favourable D channel mode.
The use of the B channel is excluded.
• 0# #)"!" . 2, %: Your device tries to
transfer the IP address in the mode set in the Mode field.
• (& #)"!" . 2, %E !,, "7  =
2,: Your device tries to transfer the IP address in the
mode set in the Mode field. If this does not succeed, the IP
address is transferred in the B channel. (This incurs costs.)
• 0# ,& = 2, %: Your device transfers the IP
address in the B channel. This incurs costs.
D Channel Mode Only for Transfer Mode = 0# #)"!" . 2, %
or (& #)"!" . 2, %E !,, "7  =
2,
Select the D channel mode in which your device tries to transfer
the IP address.
Possible values:
• //2 (default value): The IP address is transferred in the "LLC
information elements" of the D channel.
• *0=-..@: The IP address is transferred in the subaddress "in-
formation elements" of the D channel.
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