Avoid having lights behind you that
might shine into the camera lens.
Keep a distance of 0.5 meters away
from VT640P.
6 Making a Call
Here are a few things you need to consider before making a video call.
Use the self-view image and focus knob to get the best
shot of yourself.
Adjust the hue and brightness of the screen for best
image.
0.5 m
0.5 m
Before making a video call
Avoid having a lot of
movement in the
background and try
not to move around
excessively. Too much
movement tends to
slow down the frame
rate of the video
image, resulting in a
jerky picture.
1
2
3
4
5
6
7
Connection
ADSL
Type
IP
When the ADSL is shared with other devices (with a DHCP server connected)
Timing ADSL
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.
Internet
ATU-R
VT640P
Router
General PC 1, 2, ...n
DHCP Server
The DHCP Server
must be able to
support dynamic-
fixed IP allocation.
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
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
Server Setup
Network Setup
Terminal Setup
Option
Server Setup
Network Setup
Terminal Setup
Option
Server Setup
Network Setup
Terminal Setup
Option
(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 router and is assigned by PPPoE.
Alias:
PPPoE Username ( )
Host Name:
PPPoE Password ( )
Auto Answer Rings (0~9):
NAT Door: see note
GK Password ( )
System Setup (Cont'd)
20
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33
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User Manual
IP Broadband Videophone
Make sure of the most appropriate
lighting source, preferably from the
front with the beam on your face.
Do not point the VT640P at a mirror
or bright light.
