View source for KB 147

===Netmeeting through NAT with an Efficient (NEN DSL) Router===
 Article:147
 Created:2001-12-13 09:33:51
 Categories:
   DSL

====Question or Symptom====
User wants to allow Netmeeting connections to a server in their network,
and they have NEN DSL with an Efficient router and are using Network
Address Translation.


====Resolution====
More and more people are using video conferencing software.  Netmeeting is
one of the most common applications.  A protocol used with most of these
video conferencing applications is H323.  It does not play well with NAT.
  
The Efficient router has the ability to proxy H323, making Netmeeting 
possible through NAT.  For this to work, the router must have at least
the 5.1 version of the firmware.
  
The commands are:
  system addserver <destination IP> tcp h323
  save
  system addserver <destination IP> tcp 1501
  save all
  sync
  
(A reboot may, or may not be required).
  
The destination IP is the private IP address of the internal server.


====Related URLS====
  http://gigaset.siemens.com