fix

expands-components/jetlinks-media/src/main/java/org/jetlinks/pro/media/sip/SipProperties.java

@@ -1,6 +1,7 @@
 package org.jetlinks.pro.media.sip;
 
 import gov.nist.core.LogLevels;
+import gov.nist.javax.sip.stack.NioMessageProcessorFactory;
 import io.swagger.v3.oas.annotations.Hidden;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Getter;
@@ -84,6 +85,7 @@ public class SipProperties {
         properties.putIfAbsent("gov.nist.javax.sip.LOG_MESSAGE_CONTENT", "false");
         properties.setProperty("javax.sip.STACK_NAME", stackName);
         properties.setProperty("javax.sip.IP_ADDRESS", localAddress);
+        properties.putIfAbsent("gov.nist.javax.sip.MESSAGE_PROCESSOR_FACTORY", NioMessageProcessorFactory.class.getName());
         return properties;
     }
 }