[Users] NATHelper module - need some explanation

Christophe Irles christophe.irles at alcatel.fr
Tue Mar 28 18:28:15 CEST 2006


Hi,

In this network topology: 
[UA 1]---[(open)SER+FW/NAT]---[internet]---[FW/NAT]---[UA 2]

UA 1 can call UA 2 (and the opposite) since NATHelper has changed header
(Contact, SDP, .) AND UA 2 is registered on the same (open)SER

Now if UA 2 is registered on another server, is the NATHelper still working
efficiently ?
What about NAT pinging and the "NAT binding keep alive" features in this
case ?

Thanks in advance,
Christophe 
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