Lancom 1723 VOIP User Manual page 69

LANCOM 1722 VoIP – LANCOM 1723 VoIP – LANCOM 1724 VoIP – LANCOM 1823 VoIP
Chapter 6: Connecting two networks
Connec- Entry
tivity
VPN + ISDN Domain descriptor in the remote network
VPN Hide own stations when accessing remote
network (extranet VPN)?
ISDN TCP/IP routing for accessing the remote net-
work?
VPN + ISDN NetBIOS routing for accessing the remote
network?
VPN + ISDN Name of a local workgroup (for NetBIOS
only)
ISDN Data compression
ISDN Channel bundling
Notes on the different settings:
68
If you own device features an ISDN connection, the Wizard will ask you
whether the remote site also has one.
For VPN connections over the Internet, the type of IP address at each end
must be specified. There are two types of IP address. Static and
dynamic. The differences between these two IP address types are
explained in the Reference Manual.
The Dynamic VPN function makes it possible to establish VPN connections
between gateways with dynamic IP addresses, and not only between
gateways with static (fixed) IP addresses. An ISDN connection is required
to actively establish VPN connections to remote sites that use dynamic IP
addresses.
If you have not yet given a name to your LANCOM, the Wizard will ask you
to enter a new name for your device. Entering a name will cause your
LANCOM to be renamed. Ensure that you give different names to the two
remote devices.
The name of the remote site is required for identifying the devices.
In the field ISDN number the telephone number of the remote ISDN site
is specified. Enter the full telephone number for the remote site, including
all necessary prefixes (e.g. area codes).
The ISDN calling line ID specified is used to identify and authenticate the
caller. If a LANCOM Router is called, it compares the ISDN calling line ID
entered for the remote site to the ID that is actually received over the D
Gateway 1
'branch_office.com-
pany'
Yes/No
Yes/No
Yes/No
'workgroup1'
On/off
On/off
Gateway 2
'main_office.com-
pany'
Yes/No
Yes/No
Yes/No
'workgroup2'
On/off
On/off