From 2a7310734eb4c604f849203e659d44eec422462e Mon Sep 17 00:00:00 2001
From: Daniel-Constantin Mierla <miconda@gmail.com>
Date: Wed, 25 May 2022 12:55:44 +0200
Subject: [PATCH] sipexer: do not retransmit for non-UDP transport in early dlg
 state

---
 sipexer.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sipexer.go b/sipexer.go
index f7c96da..553c14f 100644
--- a/sipexer.go
+++ b/sipexer.go
@@ -1440,7 +1440,7 @@ func SIPExerDialogLoop(tplstr string, tplfields map[string]interface{}, seDlg *S
 	seDlg.RecvBuf = make([]byte, cliops.buffersize)
 	// retransmissions loop
 	for {
-		if (seDlg.ProtoId != sgsip.ProtoUDP) || seDlg.Resend {
+		if (seDlg.ProtoId != sgsip.ProtoUDP && seDlg.State != SIPExerDialogEarly) || seDlg.Resend {
 			SIPExerSetWriteTimeout(seDlg)
 			ret = SIPExerSendBytes(seDlg, wmsg)
 			if ret < 0 {