[SR-Users] How to use the ip parameter in rtpproxy_manage()

[Daniel-Constantin Mierla]

Hello,

should be in request_route or reply_route (from core) only, before 
creating the transaction and not after doing record_route() for requests.

Cheers,
Daniel

On 29/08/14 16:18, Sebastian Damm wrote:
> Hi,
>
> okay, so I really misunderstood the IP parameter. Thanks for your 
> solution, from the first look it does work. Is there anything I should 
> consider or watch specifically when using msg_apply_changes() in the 
> middle of processing the request?
>
> Best Regards,
> Sebastian
>
>
> On Fri, Aug 29, 2014 at 1:52 PM, Daniel-Constantin Mierla 
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>     Hello,
>
>     the second parameter is to give the IP to appear in sdp, instead
>     of the rtpproxy ip.
>
>     What you can try is to update the sdp with fix_natted_sdp() with
>     the source IP as seen by the LB, then do msg_apply_changes() and
>     pass the flag to trust the ip in sdp -- not sure it is going to
>     work, by worth giving a try.
>
>     Perhaps a flag to overwrite the source IP would be good.
>
>     Cheers,
>     Daniel
>
>
>     On 29/08/14 11:44, Sebastian Damm wrote:
>>     Hi,
>>
>>     I have the following setup:
>>
>>     UAC ---> LB ---> Proxy ---> GW
>>
>>     In NAT scenarios the loadbalancer detects it, but the proxy
>>     communicates with the RTP proxy. I want to send the original
>>     caller IP as detected by the loadbalancer (and transported to the
>>     proxy) to the RTP proxy.
>>
>>     As far as I understand the documentation of the rtpproxy module,
>>     I could call rtpproxy_manage with a second parameter, indicating
>>     which IP address should be sent to the RTP proxy. I tried sending
>>     a pseudovariable, both within quotes or not, or even a static
>>     string. But when I look at those messages sent to the RTP proxy,
>>     there's always the IP from where the SIP packet was received (the
>>     loadbalancer IP) in the request.
>>
>>     Previously we used the "r" parameter, sending the original IP
>>     from the SDP to the proxy. But due to strange behavior of some
>>     UACs, we want to get rid of that.
>>
>>     Do I misunderstand the second parameter?
>>
>>     This is what the documentation says:
>>     /    ip_address/ - new SDP IP address.
>>
>>     Unfortunately, I couldn't find any example using this.
>>
>>     Best Regards,
>>     Sebastian
>>
>>
>>
>
>
>
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-- 
Daniel-Constantin Mierla
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