Hi,

you can also check the RTPProxy replacement from Sipwise:

- https://github.com/sipwise/mediaproxy-ng

It supports working behind NAT with advertised IPs. I've used it on
Amazon EC2 myself.

Kind regards,
Carsten

2013/7/2 Daniel-Constantin Mierla <miconda@gmail.com>:
>
> On 7/2/13 6:44 PM, arun Jayaprakash wrote:
>
> Daniel, so you are saying that the machine running RTP proxy should not be a
> natted one but should have its own public IP?
>
> RTP proxy can run on a natted system such as ec2, but i can listen only on
> local ip, not on the public one. The advertised address is used to build the
> sdp, not listen on it.
>
> Cheers,
> Daniel
>
>
> Thanks,
> Arun
>
>
> ________________________________
> From: Daniel-Constantin Mierla <miconda@gmail.com>
> To: Kamailio (SER) - Users Mailing List <sr-users@lists.sip-router.org>
> Sent: Tuesday, July 2, 2013 10:53 AM
> Subject: Re: [SR-Users] Issue with RTP proxy....
>
>
> On 7/2/13 5:11 PM, David | StyleFlare wrote:
>> Daniel,
>>
>> I am confused, I thought that patch is not really needed?
> Indeed, the patch is not really needed when you have a single instance
> of rtpproxy and know its public ip. But when you deal with many
> rtpproxies, then you cannot deal from config. Also, for bridging
> networks is not possible from config.
>
> With the patch, the config of kamailio stays as usual all the time.
>
> Cheers,
> Daniel
>
>>
>> On Ec2 you should be able to bind to the Local IP and then pass the
>> External IP to rtp-manage.
>>
>> Am I missing something here?
>>
>> Should effectively be the same thing.
>>
>>
>>
>> On 7/2/13 10:50 AM, Fred Posner wrote:
>>> This is awesome... did it say which version of RTP Proxy or did I
>>> just not RTFM well enough?
>>>
>>> Fred Posner | Team Forrest / LOD
>>> direct: 503-914-0999 | fax: 954-472-2896
>>>
>>> On 07/02/2013 10:17 AM, Daniel-Constantin Mierla wrote:
>>>> Hello,
>>>>
>>>> have you re-installed rtpproxy from sources after applying the patch I
>>>> provided the link to?
>>>>
>>>> Cheers,
>>>> Daniel
>>>>
>>>> On 7/2/13 3:33 PM, arun Jayaprakash wrote:
>>>>> Hi Daniel, I get this error:
>>>>>
>>>>> rtpproxy -F -l 10.164.62.166 -A 54.x.x.x -s udp:127.0.0.1:7722
>>>>> rtpproxy: invalid option -- 'A'
>>>>> usage: rtpproxy [-2fvFiPa] [-l addr1[/addr2]] [-6 addr1[/addr2]]
>>>>> [-s path]
>>>>>        [-t tos] [-r rdir [-S sdir]] [-T ttl] [-L nfiles] [-m
>>>>> port_min]
>>>>>        [-M port_max] [-u uname[:gname]] [-n timeout_socket] [-d
>>>>> log_level[:log_facility]]
>>>>>
>>>>>
>>>>> ------------------------------------------------------------------------
>>>>>
>>>>> *From:* Daniel-Constantin Mierla <miconda@gmail.com>
>>>>> *To:* arun Jayaprakash <jayaprakasharun@yahoo.com>; Kamailio (SER) -
>>>>> Users Mailing List <sr-users@lists.sip-router.org>
>>>>> *Sent:* Tuesday, July 2, 2013 2:39 AM
>>>>> *Subject:* Re: [SR-Users] Issue with RTP proxy....
>>>>>
>>>>> Hello,
>>>>>
>>>>>
>>>>> On 7/1/13 5:48 PM, arun Jayaprakash wrote:
>>>>>> Hello, I have enabled RTP proxy on my machine (ec2 instance) by
>>>>>> running the following script:
>>>>>>
>>>>>> rtpproxy -F -l mypublicip -s udp:localhost:7722
>>>>>>
>>>>>> but I keep getting this error. The phones ring but there is no audio:
>>>>>>
>>>>>> 3(4144) ERROR: rtpproxy [rtpproxy.c:2647]: force_rtp_proxy():
>>>>>> incorrect port 0 in reply from rtp proxy
>>>>>>
>>>>>> can someone let me know what this error means?
>>>>> you cannot get rtpproxy listening on the ec2 public ip, which does not
>>>>> exist on the network interface.
>>>>>
>>>>> You will have to use a patched rtpproxy, that adds advertising address
>>>>> support. I had such patch for my own usage, now I polished it a bit
>>>>> and push it to github:
>>>>>
>>>>> -
>>>>>
>>>>> https://github.com/miconda/rtpproxy/commit/41f6d9d9084a6fad52a6483a0593d4b25e0de8ca
>>>>>
>>>>>
>>>>> Give it a try, hope I haven't broken it with last polishing, if does
>>>>> not work let me know.
>>>>>
>>>>> You should be able to apply it to latest rtpproxy stable release. Once
>>>>> you compile and install, then run rtpproxy with:
>>>>>
>>>>>
>>>>> rtpproxy -F -l localip -A publicip  -s udp:localhost:7722
>>>>>
>>>>> Cheers,
>>>>> Daniel
>>>>>
>>>>> --
>>>>> Daniel-Constantin Mierla -http://www.asipto.com
>>>>> <http://www.asipto.com/>
>>>>> http://twitter.com/#!/miconda <http://twitter.com/#%21/miconda>
>>>>> -http://www.linkedin.com/in/miconda
>>>>>
>>>>>
>>>>
>>>> --
>>>> Daniel-Constantin Mierla -http://www.asipto.com
>>>> http://twitter.com/#!/miconda -http://www.linkedin.com/in/miconda
>
>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>>> sr-users@lists.sip-router.org
>>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> sr-users@lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>
>>
>> _______________________________________________
>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>> sr-users@lists.sip-router.org
>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
> --
> Daniel-Constantin Mierla - http://www.asipto.com
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users@lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>
>
>
> --
> Daniel-Constantin Mierla - http://www.asipto.com
> http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
>
>
> _______________________________________________
> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
> sr-users@lists.sip-router.org
> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>



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