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Installation LAN Integration
26
7. Confirm your settings with OK.
Note: The settings for subnet mask, gateway and DNS server
are usually the same for all computers in a LAN. The IP ad-
dress for each computer in a LAN must be different. Do not
use any IP addresses for the Aastra 800 communications sys-
tem that may also be assigned to other computers with
DHCP. When you are operating a local DNS server in your
LAN, you should link the IP address of the Aastra 800 com-
munications system with a DNS name in order to facilitate
convenient access to the Web interface of the Aastra 800
communications system.
Tip: You can find out anytime what the IP settings are that are ac-
tually being used by the Windows operating system using the
“ipconfig” program. Select the All Programs: Accessories:
Command Prompt command in the Windows start menu.
Enter “ipconfig /all” and confirm with the enter key.
3.6.2 Deactivating Competing Network Services
The Aastra 800 communications system provides a range of network services.
For each of these services, the Aastra 800 communications system listens on a spe-
cific TCP or UDP port number for incoming connections. The port numbers are
predefined and cannot be changed by default. This means that, for example, the
Web console of the Aastra 800 communications system can always be accessed
from other computers at TCP port number 80.
No competing programs or services can be executed on the server computer that
are allocated to the same port numbers. If you have, for example, installed the
“WWW service” subcomponent for the “Internet information services”, instead of
accessing the Web console, visit the main page of the WWW service. The sequence
in which the services were started determines which of the competing services is
reached.