Re: [SR-Users] Issue handling SRTP and RTP with rtpproxy and rtpengine

On 07/15/2015 08:44 AM, Alberto Sagredo wrote:

Hi Alberto,

can you also share part of the relevant place where you are calling that route?

Cheers, Roberto Fichera.

Hi Daniel

Kamailio is for hard people and fun :)

Thanks Visily i finnaly got it working with your tip. You were right about internal external options instead direction=...

Here its some code to someone could need it

route[RTPPROXY] {

    if (is_method("INVITE")){

if(ds_is_from_list(1)){

            if (is_ip_rfc1918("$si")) {

                    if (sdp_get_line_startswith("$avp(mline)", "m="))

                    {

                            #!ifdef WITH_RTPENGINE

                            if ($avp(mline) =~ "SAVP")

                            {

                            xlog("L_INFO", "We got SRTP ");

                            rtpengine_manage("trust-address internal external replace-origin

replace-session-connection ICE=remove ");

                            return;

                            }

                            #!endif


                            if ($avp(mline) =~ "AVP")

                            {

                            xlog("L_INFO", "We got RTP ");

                            #!ifdef WITH_RTPPROXY

                             set_rtp_proxy_set("1");

                            rtpproxy_manage("fwei");

                            start_recording();

                            #!endif


                            #!ifdef WITH_RTPENGINE

                            rtpengine_manage("trust-address internal external replace-origin

replace-session-connection ICE=remove ");

                            #!endif


                            }

                    }


                    }

            }

else if(!ds_is_from_list()){

                    if (sdp_get_line_startswith("$avp(mline)", "m="))

                    {

                             #!ifdef WITH_RTPENGINE

                             if ($avp(mline) =~ "SAVP")

                            {

                            xlog("L_INFO", "We got SRTP ");

                            rtpengine_manage("external internal replace-origin replace-session-connection

ICE=remove RTP AVP");

                            return;

                            }


                            #!endif

                            if ($avp(mline) =~ "AVP")

                            {

                            xlog("L_INFO", "We got RTP ");

                            #!ifdef WITH_RTPPROXY

                            set_rtp_proxy_set("1");

                            rtpproxy_manage("fwie");

                            start_recording();

                            #!endif


                            #!ifdef WITH_RTPENGINE

                            rtpengine_manage("external internal replace-origin replace-session-connection

ICE=remove RTP AVP");

                            #!endif


                            }

                    }



            }

  }

}

2015-07-14 18:46 GMT+02:00 Daniel Tryba <d.tryba@pocos.nl mailto:d.tryba@pocos.nl>:

On Tuesday 14 July 2015 18:19:02 Alberto Sagredo wrote:
> In my tests rtpproxy recording waste less resources than asterisk
>
> That was one of the reasons

How much time have you spend so far on a problem that asterisk can handle out
of the box? ;)

I'd love to do this with kamailio/rtpengine (I don't record), but sofar the
blunt quickfix is to use asterisk. I needed a transcoder anyway and handling
RTP/SRTP conversions when either endpoint needs it is simple.

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