[SR-Users] Issue with failure_route on kamailio 4.0

[mayamatakeshi]

Hello,
I am trying to upgrade from kamailio 1.4 to 4.0.

I am having an issue with call forwarding: I send the call to a subscriber
(location) and if it doesn't answer, there is a failure_route to do the
forward.
It is something like this:

failure_route[1] {
        $ru = "sip:0313241342 at 192.168.2.2"
        append_branch();
        t_relay();
}

However, the INVITE is sent to both the subscriber location and the new
branch.
So, is it now necessary to somehow to "drop" the original branch?
If so, how do I do that?

Regards,
Takeshi
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