[OpenSIPS-Users] Help with "t_relay"

[spady]

Hi list, i need some hints by you experts to get working my idea.

What I am trying to do is parallel forking toward 2 different IP PBXs whose
have different carateristics. Let me explain:

IP PBX #1: accept UDP connections on port 5060
IP PBX #2: accept TCP connections on port 5068

What i tried to do is as follow:

if (src_ip == IP_MEDIANT || (method=="INVITE")) { 
      			rewritehostport("FQDN_IP_PBX_2:PORT_IP_PBX_2");
       	 		route(10);
       	 		exit;
               	} 

.........

route[10] {
        append_branch();
        
          t_relay("tcp:IP_PBX_2:PORT_IP_PBX_2");
	      exit;
	}

So now I am stuck because i have some dubts that i can't answer:

1- How Can I forward the original request and the new BRANCH created to
different "t_relays" ( which they have to have different features (UDP, TCp
etc.. ) ) ?

I tried with 

$(branch(uri)[0]) = "sip:???@IP_PBX_1:PORT_IP_PBX_1";

But seems not working. In this last snippet of code, Can I use pseudo
variables like $rU??
$(branch(uri)[0]) = "sip:$rU at IP_PBX_1:PORT_IP_PBX_1"; ( ????? )

Hope someone can point me in a right way.

Regards

I did not found into documentation something about protocol for Branches
sections. In my case i also need to change it to UDP.





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