I was under the impression that the Cisco fixup protocols broke the SIP
headers
Klaus Darilion wrote:
HI PAtrick!
Cisco PIX will usually rewrite SIP messages (ALG) thus it should work.
regards
klaus
Patrick Baker schrieb:
> Is is possible to have a SIP UA behind nat and communicate to an
> OpenSER/RTP Proxy server behind nat behind nat and have everything
> transverse appropriately? Or will I need something additional like STUN?
>
> Example:
>
> OpenSER + RTP Proxy + Asterisk will all reside on the same machine.
>
> SIP UA -> Cisco PIX ( Public IP to Localnet NAT ) -> OpenSER/RTP ->
Asterisk
>
> Thank you for your time,
>
> Patrick
>
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