[OpenSIPS-Users] B2B Opensips + RTPEngine

[Răzvan Crainea]

Hi, Amel!

Simply set the correct $rtp_relay(iface) for each peer and rtpengine 
will do that for you, i.e.:

$rtp_relay(iface) = "external";
$rtp_relay_peer(iface) = "internal";

Best regards,
Răzvan

Răzvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com

On 7/18/23 12:44, amel.guesmi at sofrecom.com wrote:
> Hello all,
> 
> Thank you for your help, the rtp_relay_engage function worked very well 
> and we can now have the SDP changed correctly when the frames are 
> passing the B2B opensips.
> 
> 
> ## Handle rtp_relay
> 
>                    $rtp_relay = "co";
> 
>                    $rtp_relay_peer = "co";
> 
>                    $rtp_relay_engage("rtpengine");
> 
> We are meeting a new problem : we have two interfaces on our Opensips, 
> one external and one internal and we have to change the SDP engage with 
> each interface.
> 
> We want the opensips to change SDP with RTP internal when we’re going 
> from external to internal (in UAS mode), and with external in the other 
> way (in UAC mode).
> 
> SIP1                                   SIPext  SIPint          
>                             SIPcl
> 
>    +    ----   INVITE (SDP RTP1) ---->       B2B         ------ INVITE 
> (SDP RTPint) --->   Client
> 
> RTP1                                  RTPext   RTPint     
>                                  RTPcl
> 
>         <---   200OK  (SDP RTPext) ----       B2B        <------ 200OK 
>   (SDP RTPcl) ---   Client
> 
> Thanks for your help.
> 
> *BR, Amel **
> *______________________________________________________________________________________________________________________________
> 
> *De :*Users <users-bounces at lists.opensips.org 
> <mailto:users-bounces at lists.opensips.org>> *De la part de* Bogdan-Andrei 
> Iancu
> *Envoyé :* lundi 12 juin 2023 08:24
> *À :* OpenSIPS users mailling list <users at lists.opensips.org 
> <mailto:users at lists.opensips.org>>; GUESMI Amel SOFRECOM 
> <amel.guesmi at orange.com <mailto:amel.guesmi at orange.com>>
> *Objet :* Re: [OpenSIPS-Users] B2B Opensips + RTPEngine
> 
> Hi Amel,
> 
> With 3.3 you can use the this 
> https://opensips.org/docs/modules/3.3.x/rtp_relay.html#func_rtp_relay_engage <https://opensips.org/docs/modules/3.3.x/rtp_relay.html#func_rtp_relay_engage> - the engage will take care of all sequential (in the b2b scenario) insertion of the rtp relay you use.
> 
> Regards,
> 
> Bogdan-Andrei Iancu
> 
> OpenSIPS Founder and Developer
> 
> https://www.opensips-solutions.com  <https://www.opensips-solutions.com>
> 
> https://www.siphub.com  <https://www.siphub.com>
> 
> On 6/8/23 10:28 AM, amel.guesmi at sofrecom.com 
> <mailto:amel.guesmi at sofrecom.com> wrote:
> 
> Hello,
> 
> We are using opensips 3.3
> 
> Amel
> 
> *De :*Users <users-bounces at lists.opensips.org> 
> <mailto:users-bounces at lists.opensips.org> *De la part de* Bogdan-Andrei 
> Iancu
> *Envoyé :* jeudi 8 juin 2023 08:12
> *À :* OpenSIPS users mailling list <users at lists.opensips.org> 
> <mailto:users at lists.opensips.org>; KHARROUBI Mohamed SOFRECOM 
> <mohamed.kharroubi at sofrecom.com> <mailto:mohamed.kharroubi at sofrecom.com>
> *Objet :* Re: [OpenSIPS-Users] B2B Opensips + RTPEngine
> 
> Hi,
> 
> Which OpenSIPS version do you use? some have auto rtp engaging support 
> via the rtp_relay module.
> 
> Regards,
> 
> Bogdan-Andrei Iancu
> 
> OpenSIPS Founder and Developer
> 
> https://www.opensips-solutions.com  <https://www.opensips-solutions.com>
> 
> https://www.siphub.com  <https://www.siphub.com>
> 
> On 6/6/23 6:06 PM, mohamed.kharroubi at sofrecom.com 
> <mailto:mohamed.kharroubi at sofrecom.com> wrote:
> 
> Hello Community,
> 
> We are trying to set up an Opensips with RTPEngine in a B2B 
> configuration to handle media processing. There is no scenario for the 
> B2B we’re trying to implement, we’re just using the topology « «top 
> hiding » !
> 
> However, regardless of our configuration, the SDP of the INVITE and 200 
> OK packets is not modified to include the RTPEngine IP address and port
> 
> How should the RTPEngine be configured in the Opensips.cfg or which 
> function(s) should be called to achieve this?
> 
> Bien Cordialement,
> 
> <http://www.orange.com/>
> 
> *Kharroubi Mohamed*
> Senior DevOps/System Engineer
> 
> Orange/ IMT/ OLPS/ OPS/ International Centers/ Tunisia
> 
> mohamed.kharroubi at sofrecom.com <mailto:mohamed.kharroubi at sofrecom.com>
> 
> www.sofrecom.com <http://www.sofrecom.com/>
> 
> /Part of the Orange group/
> 
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