From 4a2aae525bac2778d03b40ddf49ee4a2e891da47 Mon Sep 17 00:00:00 2001
From: kristofferk <kristoffer.kobosko@mobilearts.com>
Date: Tue, 1 Apr 2025 11:30:45 +0200
Subject: [PATCH] BUGFIX: UDP: Response sent to wrong port.

---
 src/nksip_call_uas_transp.erl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/nksip_call_uas_transp.erl b/src/nksip_call_uas_transp.erl
index c51e610f..f70198af 100644
--- a/src/nksip_call_uas_transp.erl
+++ b/src/nksip_call_uas_transp.erl
@@ -55,9 +55,9 @@ send_response(#sipmsg{class={resp, Code, _Reason}}=Resp, Opts) ->
         udp ->
             case nklib_util:get_binary(<<"maddr">>, ViaOpts) of
                 <<>> when ViaRPort ->
-                    [#nkconn{protocol=nksip_protocol, transp=udp, ip=RIp, port=RPort}];
-                <<>> ->
                     [#nkconn{protocol=nksip_protocol, transp=udp, ip=RIp, port=ViaPort}];
+                <<>> ->
+                    [#nkconn{protocol=nksip_protocol, transp=udp, ip=RIp, port=RPort}];
                 MAddr ->
                     [#uri{scheme=sip, domain=MAddr, port=ViaPort}]   
             end;