Panasonic KX-HCM280A User Manual (en)

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Installation/Troubleshooting
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1.8
Viewnetcam.com Service (IPv4/IPv6)
Viewnetcam.com is a free dynamic DNS (DDNS) service provided by Panasonic. 
It allows you to choose an easy-to-remember address (such as 
"bob.viewnetcam.com") that you can use to view images from your camera over the 
Internet. This service is compatible with both IPv4 and IPv6 addresses.
What is the advantage of Viewnetcam.com service?
In order to view camera images over the Internet, you need to know your camera’s 
global IP address. However, many Internet Service Providers (ISPs) assign their 
customers a "dynamic" IP address that changes monthly, weekly, or each time they 
log on. Unless you have been assigned a static IP address (an IP address that 
does not change periodically) by your ISP, you may find it difficult to access your 
camera over the Internet because your IP address changes periodically. 
Viewnetcam.com service allows you to access your camera even if your assigned 
global IP address changes.
See http://www.viewnetcam.com for details.
How the Viewnetcam.com service works
1.
Your ISP assigns a global IP address to your Internet access account that 
changes periodically. This is the address needed to access the camera over 
the Internet.
2.
When your ISP assigned global IP address changes, your camera 
automatically notifies the Viewnetcam.com service server of the new address.
3.
The Viewnetcam.com server contacts a Domain Name Server (DNS) and 
registers your new global IP address to your chosen Viewnetcam.com address 
(such as "bob.viewnetcam.com").
4.
When you enter your Viewnetcam.com address in your web browser while 
away from home or the office, the DNS server looks up the global IP address 
assigned to your Viewnetcam.com address.
5.
The DNS server finds your current global IP address and allows you to connect 
to your camera.
Viewnetcam.com service server
ISP
DNS 
server
Internet
New address registered with 
DNS server
Camera reports new address
Camera connection established
Global IP address 
changes
Off-site PC
On-site Network 
Camera
DNS looks up 
current address
3.
4.
2.
1.
5.
kxhcm280ait.book  23 ページ  2005年3月9日 水曜日 午後1時23分