aren't multiple SIP headers of the same type index based?

Like $sel(via[0].branch) ?

Atenciosamente / Kind Regards / Cordialement / Un saludo,

Sérgio Charrua

OpenTelecom - Consulting for Telecoms, Lda
Tel.: +351 91 631 11 44

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On Wed, Nov 19, 2025 at 8:14 AM 13715209697--- via sr-users <sr-users@lists.kamailio.org> wrote:

Hi team

How to access all branches in the failure_route?

···
SIP/2.0 480 Temporarily Unavailable
Via: SIP/2.0/UDP 220.231.180.131:12290;branch=z9hG4bK7699.12bab93a2131301bddba965165d7b8a4.0
Via: SIP/2.0/UDP 192.168.99.203:5090;received=192.168.99.203;rport=5090;branch=z9hG4bKeS4Hy8evHZa4N
To: <sip:1001@192.168.99.203:12290>;tag=a8016513
From: <sip:9196@192.168.99.203:12290>;tag=rQSg2p11ptytp
Call-ID: d25b05e3-3fb6-123f-0ba6-000c29943390
···

failure_route[MANAGE_FAILURE] {
xlog("$sel(via[1].branch) + $T_branch_idx\n");
}

The obtained value is z9hG4bKeS4Hy8evHZa4N, which is the branch generated by UAC.

But I also want to obtain the branch automatically generated by Kamailio.

How can I do this?

Thanks!
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