[SIPForum-discussion] Difference Between NAT and ALG

[V Belagodu]

NAT functions at network layer of the OSI model, any NAT device hides your
ip layer information, doesnt hide your sip layer information, since SIP
works at Layer 5. ALG does that.

Hope this helps...

-Vilas

On Dec 4, 2007 11:51 PM, nithya kumar <nithyakr at huawei.com> wrote:

>  Hi All,
>
>        Both NAT and ALG  done the process of mapping Private Address to
> public Address. Then what is the exact difference in behavior.
>
>        Thanks in advance.
>
>
>
>
>
> Regards,
>
> NithyaKumar.R
>
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