VoIP gateway IP400 version 5.01
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work with unofficial IP addresses which are known to both parties. To deactivate
NAT, set the option
Exclude from NAT
. NAT is only required if a tunnel is set up
to a network requiring official IP addresses.
Dial-up of the VoIP gateway (client) to a PPTP server
• In the configuration applet, select the
IP Interfaces > PPPn Interface
path of the PPP interface to be configured.
• Select the
PPTP
protocol from the
Port
menu.
• Enter the IP address of the remote PPTP server, with which you wish to set
up the VPN, under
PPTP-IP address
.
• Switch off the option
Allow incoming calls
.
• Set
Enable Encryption
,
Exclude from NAT
and
No DNS on this port
as
required.
• Enter the
user
and the
password
with which you would like to log on to the
remote PPTP server in the
Outgoing calls
group.
Setting up a PPTP server
• In the configuration applet, select the
IP Interfaces > PPPn Interface
path of the PPP interface to be configured.
• Select the
PPTP
protocol from the
Port
menu.
• Do not enter an IP address under
PPTP-IP address
.
• Switch on the option
Allow incoming calls
.
• Set
Enable Encryption
,
Exclude from NAT
and
No DNS on this port
as
required.
• Set the
Assign remote IP address
option to assign an IP address from
your network to the distant entity dialling-in. Enter this IP address in the
IP
address
field.
• In the
Incoming calls
group, enter the
user
and the
password
with which
the remote PPTP client is to register.