[OpenSIPS-Users] Changing transport protocol to SCTP

[Moreira Yokoyama, Daniel]

Hi.

In a given scenario my routing script has to change the transport protocol to SCTP.

I tried to do it by using the t_relay(proto:server:port) version, but although it worked fine on my tests, when I used in my real case (which has not a predefined server to use as a literal) I found out that OpenSIPS give an error on StartUp-time complaining about the config file. So I assume it tries to eval the string at start up, and every way tried ("sctp:" + $od + ":" + $oP, or simply "sctp:$od:$oP")... none have worked.

But, when I tried to just concatenate the transport clause to $du, it worked just fine.

                $du = "sip:" + $od + ":" + $op + ";transport=sctp";

The thing is, that was on 1.9.1.

But now I got a pretty new 2.1.2 version running on a test environment in order to see how would it be to migrate to a newer version... and as odd as it may be, the transport clause has no effect in the relay anymore (it keeps it in UDP instead).

Am I doing something wrong? The t_relay(proto:server:port) still seem to not work with anything other than literal strings, and I really need to be able to convert the request to sctp in this scenario.


Thanks.
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