can't use msg_apply_changes() on failure route?

Hello all,

I need to make changes on the SDP. The first change is fine on the request
route, but i only need to make changes to it in the failure route to set it
properly for the failover endpoint.
I restore the sdp, but my problem is i can't modify it since i can't
manipulate it:

            # Restore original dual-transport SDP before stripping for new
dest -- $avp(orig_sdp) was saved on the initial request route.
            set_body("$avp(orig_sdp)", "application/sdp");

            # Strip unsupported transport for new destination
            if ( $du =~ "tls" ) {
                xlogl("L_INFO", "[RTF_CARRIER] TLS dest - stripping
RTP/AVP\n");
                sdp_remove_transport("RTP/AVP");
            } else {
                xlogl("L_INFO", "[RTF_CARRIER] Non-TLS dest - stripping
RTP/SAVP\n");
                sdp_remove_transport("RTP/SAVP");
            }

Any ideas how to accomplish this?

Thanks!



Regards,

David Villasmil
email: [email protected]

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