diff --git a/pom.xml b/pom.xml
index 460e46d..98af14f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 
     <groupId>com.zdjizhi</groupId>
     <artifactId>sip-rtp-correlation</artifactId>
-    <version>1.1-rc2</version>
+    <version>1.1-rc3</version>
 
     <name>Flink : SIP-RTP : Correlation</name>
 
@@ -24,6 +24,18 @@
         <jackson.version>2.13.2.20220328</jackson.version>
     </properties>
 
+    <distributionManagement>
+        <repository>
+            <id>platform-releases</id>
+            <url>http://192.168.40.153:8099/content/repositories/platform-release</url>
+            <uniqueVersion>true</uniqueVersion>
+        </repository>
+        <snapshotRepository>
+            <id>platform-snapshots</id>
+            <url>http://192.168.40.153:8099/content/repositories/platform-snapshot</url>
+        </snapshotRepository>
+    </distributionManagement>
+
     <dependencies>
         <dependency>
             <groupId>org.apache.flink</groupId>
diff --git a/src/main/java/com/zdjizhi/flink/voip/CorrelateApp.java b/src/main/java/com/zdjizhi/flink/voip/CorrelateApp.java
index 5b699f3..ecad56f 100644
--- a/src/main/java/com/zdjizhi/flink/voip/CorrelateApp.java
+++ b/src/main/java/com/zdjizhi/flink/voip/CorrelateApp.java
@@ -99,7 +99,9 @@ public class CorrelateApp {
                 new JsonNodeSerializationSchema(),
                 fusionConfiguration.getProperties(SINK_KAFKA_PROPERTIES_PREFIX));
 
-        voIpOperator.union(sipDoubleDirOperator).addSink(producer);
+        voIpOperator
+                .union(sipDoubleDirOperator.getSideOutput(SIPPairingFunction.SIP_OUTPUT_TAG))
+                .addSink(producer);
 
         env.execute("SIP-RTP-CORRELATION");
     }
diff --git a/src/main/java/com/zdjizhi/flink/voip/error/ErrorHandler.java b/src/main/java/com/zdjizhi/flink/voip/error/ErrorHandler.java
index 2f1b767..98bbbe0 100644
--- a/src/main/java/com/zdjizhi/flink/voip/error/ErrorHandler.java
+++ b/src/main/java/com/zdjizhi/flink/voip/error/ErrorHandler.java
@@ -9,7 +9,6 @@ import com.zdjizhi.flink.voip.records.SIPRecord;
 import com.zdjizhi.flink.voip.records.SchemaType;
 import com.zdjizhi.flink.voip.records.StreamDir;
 import com.zdjizhi.utils.IPUtil;
-import org.apache.commons.lang3.StringUtils;
 import org.apache.flink.api.common.typeinfo.TypeInformation;
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.ObjectNode;
@@ -108,8 +107,8 @@ class MeaninglessAddressProcessFunction extends ProcessFunction<ObjectNode, Obje
                                Collector<ObjectNode> out) throws Exception {
         final Record record = new Record(obj);
         // Check for invalid or meaningless addresses and ports
-        boolean cond1 = StringUtils.isNotBlank(record.getClientIp()) &&
-                StringUtils.isNotBlank(record.getServerIp()) &&
+        boolean cond1 = isIPAddress(record.getClientIp()) &&
+                isIPAddress(record.getServerIp()) &&
                 record.getClientPort() > 0 &&
                 record.getServerPort() > 0;
 
@@ -125,8 +124,12 @@ class MeaninglessAddressProcessFunction extends ProcessFunction<ObjectNode, Obje
                 (includeIntranetIp || !isInternalIp(sipRecord.getResponderSdpConnectIp())) &&
                 (includeIntranetIp || !isInternalIp(sipRecord.getOriginatorSdpConnectIp()));
 
+        boolean cond7 = isIPAddress(sipRecord.getOriginatorSdpConnectIp()) &&
+                isIPAddress(sipRecord.getResponderSdpConnectIp()) &&
+                sipRecord.getResponderSdpMediaPort() > 0 && sipRecord.getOriginatorSdpMediaPort() > 0;
+
         // Both client and server addresses in the data are valid.
-        if (cond1 && (
+        if (cond1 && (!cond5 || cond7) && (
                 // The address in the SIP one-way stream is valid and not an internal network address.
                 cond2 && cond3 && cond4 && cond5
                         // The coordinating addresses in the SIP double directional stream are valid
diff --git a/src/main/java/com/zdjizhi/flink/voip/functions/SIPPairingFunction.java b/src/main/java/com/zdjizhi/flink/voip/functions/SIPPairingFunction.java
index 6b9f8d2..274da5d 100644
--- a/src/main/java/com/zdjizhi/flink/voip/functions/SIPPairingFunction.java
+++ b/src/main/java/com/zdjizhi/flink/voip/functions/SIPPairingFunction.java
@@ -7,11 +7,13 @@ import org.apache.flink.api.common.state.StateTtlConfig;
 import org.apache.flink.api.common.state.ValueState;
 import org.apache.flink.api.common.state.ValueStateDescriptor;
 import org.apache.flink.api.common.time.Time;
+import org.apache.flink.api.common.typeinfo.TypeInformation;
 import org.apache.flink.api.java.tuple.Tuple3;
 import org.apache.flink.configuration.Configuration;
 import org.apache.flink.shaded.jackson2.com.fasterxml.jackson.databind.node.ObjectNode;
 import org.apache.flink.streaming.api.functions.KeyedProcessFunction;
 import org.apache.flink.util.Collector;
+import org.apache.flink.util.OutputTag;
 
 /**
  * A KeyedProcessFunction that pairs SIP records based on their addresses and stream direction.
@@ -23,6 +25,9 @@ import org.apache.flink.util.Collector;
 public class SIPPairingFunction extends KeyedProcessFunction<Tuple3<Integer, String, Address>, ObjectNode, ObjectNode>
         implements FunctionHelper {
 
+    public static final OutputTag<ObjectNode> SIP_OUTPUT_TAG =
+            new OutputTag<>("unmatched-sip", TypeInformation.of(ObjectNode.class));
+
     private transient Time fireInterval;
 
     private transient ValueState<ObjectNode> valueState;
@@ -63,7 +68,7 @@ public class SIPPairingFunction extends KeyedProcessFunction<Tuple3<Integer, Str
                 out.collect(value);
                 valueState.clear();
             } else {
-                // If the address is not yet in the mapState.
+                // If the address is not yet in the valueState.
                 valueState.update(value);
             }
         } else {
@@ -77,6 +82,10 @@ public class SIPPairingFunction extends KeyedProcessFunction<Tuple3<Integer, Str
     public void onTimer(long timestamp,
                         KeyedProcessFunction<Tuple3<Integer, String, Address>, ObjectNode, ObjectNode>.OnTimerContext ctx,
                         Collector<ObjectNode> out) throws Exception {
+        final ObjectNode value = valueState.value();
+        if (value != null) {
+            ctx.output(SIP_OUTPUT_TAG, value);
+        }
         valueState.clear();
     }
 }
diff --git a/src/main/java/com/zdjizhi/flink/voip/functions/VoIPFusionFunction.java b/src/main/java/com/zdjizhi/flink/voip/functions/VoIPFusionFunction.java
index 19dc44e..a08f86b 100644
--- a/src/main/java/com/zdjizhi/flink/voip/functions/VoIPFusionFunction.java
+++ b/src/main/java/com/zdjizhi/flink/voip/functions/VoIPFusionFunction.java
@@ -83,6 +83,7 @@ public class VoIPFusionFunction extends KeyedCoProcessFunction<Tuple2<Integer, A
             rtpRecord.merge(sipObj)
                     .setString(Record.F_COMMON_SCHEMA_TYPE, SchemaType.VOIP.getValue());
             out.collect(rtpObj);
+            iterator.remove();
 
             switch (entry.getKey()) {
                 case S2C:
diff --git a/src/main/java/com/zdjizhi/flink/voip/records/Record.java b/src/main/java/com/zdjizhi/flink/voip/records/Record.java
index 8e57e17..2d1cdc6 100644
--- a/src/main/java/com/zdjizhi/flink/voip/records/Record.java
+++ b/src/main/java/com/zdjizhi/flink/voip/records/Record.java
@@ -57,7 +57,8 @@ public class Record {
      * @return The VSys ID as an integer.
      */
     public int getVSysID() {
-        return Record.getInt(obj, F_COMMON_VSYS_ID);
+        int v = Record.getInt(obj, F_COMMON_VSYS_ID);
+        return v == 0 ? 1 : v;
     }
 
     /**