From 201cec7651c54a5553529b48ae3c40af07f9e212 Mon Sep 17 00:00:00 2001
From: lin <648540858@qq.com>
Date: Wed, 18 Mar 2026 15:26:01 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96callID=E7=94=9F=E6=88=90?=
 =?UTF-8?q?=E7=AD=96=E7=95=A5?=
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---
 .../com/genersoft/iot/vmp/gb28181/transmit/SIPSender.java    | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/SIPSender.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/SIPSender.java
index c2d908001..8ce450fd7 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/SIPSender.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/SIPSender.java
@@ -143,7 +143,7 @@ public class SIPSender {
 
     public CallIdHeader getNewCallIdHeader(String ip, String transport) {
         if (ObjectUtils.isEmpty(transport)) {
-            return sipLayer.getUdpSipProvider().getNewCallId();
+            return sipLayer.getUdpSipProvider() != null ? sipLayer.getUdpSipProvider().getNewCallId() : sipLayer.getTcpSipProvider().getNewCallId();
         }
         SipProviderImpl sipProvider;
         if (ObjectUtils.isEmpty(ip)) {
@@ -155,7 +155,8 @@ public class SIPSender {
         }
 
         if (sipProvider == null) {
-            sipProvider = sipLayer.getUdpSipProvider();
+            sipProvider = transport.equalsIgnoreCase("TCP") ? sipLayer.getTcpSipProvider()
+                    : sipLayer.getUdpSipProvider();
         }
 
         if (sipProvider != null) {