[asterisk-users] Application Layer Gateway for SIP protocol

Fri Dec 19 11:03:41 CST 2008

Asterisk certainly supports NAT traversal, and is SIP-aware.

However, Asterisk is a user agent;  it can act as a SIP endpoint, not as 
an ALG.

Olfa Echi wrote:

> Hello everybody,
> 
> I want to know if Asterisk can provide any solution to perform NAT 
> traversal for SIP protocol which means that it implements the functions 
> of an ALG (Application Layer Gateway).
> 
> Thanks.
> 
> 
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Alex Balashov
Evariste Systems
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