[OpenSER-Users] Openser and RTPProxy

[Klaus Darilion]

Patrick Baker schrieb:
> I was under the impression that the Cisco fixup protocols broke the SIP 
> headers

Long time ago this was a problem. But I know of a customer which uses an 
Asterisk behind PIX and it works fine.

regards
klaus

> 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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