[OpenSIPS-Devel] [OpenSIPS/opensips] 8832a4: tm: Fix context for PN timeout 408

[Liviu Chircu]

  Branch: refs/heads/3.6
  Home:   https://github.com/OpenSIPS/opensips
  Commit: 8832a4461dab35ac56e2c4b81c0fcb6edcf93690
      https://github.com/OpenSIPS/opensips/commit/8832a4461dab35ac56e2c4b81c0fcb6edcf93690
  Author: Liviu Chircu <liviu at opensips.org>
  Date:   2026-06-25 (Thu, 25 Jun 2026)

  Changed paths:
    M modules/tm/t_fwd.c

  Log Message:
  -----------
  tm: Fix context for PN timeout 408

Commit 5dbbd997f7 added a PN wait timeout path which sends a local 408
when the EBR subscription expires, but called relay_reply() without the
normal TM reply context.

Install a temporary global context, set the current transaction and branch
index while generating the fake 408, then restore them afterwards. This
prevents dialog reply callbacks from crashing on PN timeout.



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