Connection
LAN
Type
Firewall NAT Packet Filter
VT640P System Setup
IP Address: see note
Phone No. :
Subnet Mask: see note
Gateway: see note
(see p. 37)
(see p. 38)
Note :
IP, Subnet Mask and Gateway are assigned by your DHCP server.
The DHCP
Server must be
able to support
dynamic-fixed
IP allocation.
This firewall must be able to enable packets I/O for TCP port 1720-1729 and 7000-7009
and UDP port 8050-8054 (for VT640P exclusively).
It must also be able to provide the NAT service, and the following static routes should be
set: TCP port 1720-1729 and 7000-7009 and UDP port 8050-8054. Or you can put VT640P
into DMZ if your router supports this function.
Server Setup
Network Setup
Terminal Setup
Option
Server Setup
Network Setup
Terminal Setup
Option
Server Setup
Network Setup
Terminal Setup
Option
Phonebook
Configuration
Password
Phonebook
Configuration
Password
Phonebook
Configuration
Password
Bandwidth Setup
Remote Update
System Setup
Bandwidth Setup
Remote Update
System Setup
Bandwidth Setup
Remote Update
System Setup
(see p. 38)
: as default
: as default
: as default
GateKeeper:
DHCP: ON
PPPoE: OFF
NAT: ON
Auto Answer:
Ringer:
H.263:
Keep Alive:
Note :
The NAT door is the public IP of your firewall and is assigned by your ISP.
Alias:
PPPoE Username ( )
Host Name:
PPPoE Password ( )
Auto Answer Rings (0~9):
NAT Door: see note
GK Password ( )
When the IP is shared with other devices (without a DHCP server connected)
Connection
Cable
Type
IP
--
VT640P System Setup
IP Address: see note
Phone No. :
Subnet Mask: see note
Gateway: see note
(see p. 37)
(see p. 38)
Internet
Cable modem
Router
Server Setup
Network Setup
Terminal Setup
Option
Server Setup
Network Setup
Terminal Setup
Option
Server Setup
Network Setup
Terminal Setup
Option
Phonebook
Configuration
Password
Phonebook
Configuration
Password
Phonebook
Configuration
Password
Bandwidth Setup
Remote Update
System Setup
Bandwidth Setup
Remote Update
System Setup
Bandwidth Setup
Remote Update
System Setup
(see p. 38)
: as default
: as default
: as default
This router has to be able to provide the NAT service and the following static routes should be set :
TCP port 1720-1729 and 7000-7009 and UDP port 8050-8054. Or you can put VT640P into DMZ if
your router supports this function.
Single, Public, & Dynamic
Note :
You can assign your own IP, Subnet Mask and Gateway within your private segment. If the
segment is 172.16.0.0-172.16.0.255, your settings should be:
IP :
one chosen from the range between 172.16.0.1 to 172.16.0.254
Subnet mask :
255.255.255.0
Gateway :
one chosen from the range between 172.16.0.1 to 172.16.0.254,
usually 172.16.0.254, and can't be the same as your IP address.
GateKeeper:
DHCP: OFF
PPPoE: OFF
NAT: ON
Auto Answer:
Ringer:
H.263:
Keep Alive:
Note :
The NAT door is the public IP of your router and is assigned by the DHCP server of your ISP.
Alias:
PPPoE Username ( )
Host Name:
PPPoE Password ( )
Auto Answer Rings (0~9):
NAT Door: see note
GK Password ( )
System Setup (Cont'd)
System Setup (Cont'd)
VT640P
General PC 1, 2, ...n
VT640P
General PC 1, 2, ...n
DHCP Server
Internet
Router
Firewall
With a DHCP server connected
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User Manual
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