diff --git a/src/main/java/com/ssjl/zhaobiao/guizhou/controller/IotController.java b/src/main/java/com/ssjl/zhaobiao/guizhou/controller/IotController.java
index 2511378..ab4a187 100644
--- a/src/main/java/com/ssjl/zhaobiao/guizhou/controller/IotController.java
+++ b/src/main/java/com/ssjl/zhaobiao/guizhou/controller/IotController.java
@@ -309,4 +309,32 @@ public class IotController {
         List<GZLocationInterval> interval = GZLocationInterval.build(locationInterval);
         return GZLocationInterval.isIn(LocalDateTime.now(), interval);
     }
+
+
+    @RequestMapping("/call")
+ public String  callHandle(@RequestBody IOTCall call, String imei) throws IOException {
+
+        if(!checkImei(imei, "/call", JSON.toJSONString(call))){
+            log.info(imei + ",wifi not in device");
+            return "not in device";
+        }
+        DianxinGzDeviceConfig gzDeviceConfig = dianxinGzDeviceConfigMapper.selectByImei(imei);
+        if(!isAtLocationTime(gzDeviceConfig.getLocationInterval())){
+            log.info(imei + ",wifi not in time");
+            return "not in time";
+        }
+        log.info(imei + ",call ,v=" + JSON.toJSONString(call));
+        GZUpCall calls=new GZUpCall();
+        calls.setPhoneNumber(call.getPhoneNumber());
+        calls.setDateTime(call.getDateTime());
+        calls.setCallFlag(call.getCallFlag());
+        call.setDuration(call.getDuration());
+        byte[] res = httpUtil.send(imei, gzDeviceConfig.getPhone(), calls);
+        System.out.println(ByteUtil.bytesToHexString(res));
+        log.info(imei + ",call 电信返回：" + ByteUtil.bytesToHexString(res));
+        return "success";
+    }
+
+
+
 }
diff --git a/src/main/java/com/ssjl/zhaobiao/guizhou/entity/GZMessage/GZUpCall.java b/src/main/java/com/ssjl/zhaobiao/guizhou/entity/GZMessage/GZUpCall.java
new file mode 100644
index 0000000..837f068
--- /dev/null
+++ b/src/main/java/com/ssjl/zhaobiao/guizhou/entity/GZMessage/GZUpCall.java
@@ -0,0 +1,105 @@
+package com.ssjl.zhaobiao.guizhou.entity.GZMessage;
+
+import com.ssjl.zhaobiao.guizhou.entity.GZRequestStatus;
+import com.ssjl.zhaobiao.guizhou.entity.IMessageContent;
+import com.ssjl.zhaobiao.guizhou.utils.ByteUtil;
+import com.ssjl.zhaobiao.guizhou.utils.GZUtil;
+
+public class GZUpCall implements IMessageContent {
+
+    /**
+     * 手机号
+     */
+    private String PhoneNumber;
+    /**
+     * 通话类型 1 CallOut 0 CallIn
+     */
+    private int CallFlag;//
+    /**
+     * 通话时间
+     */
+    private String  DateTime ;
+    /**
+     * 通话时长
+     */
+    private int Duration;
+
+
+    public String getPhoneNumber() {
+        return PhoneNumber;
+    }
+
+    public void setPhoneNumber(String phoneNumber) {
+        PhoneNumber = phoneNumber;
+    }
+
+    public int getCallFlag() {
+        return CallFlag;
+    }
+
+    public void setCallFlag(int callFlag) {
+        CallFlag = callFlag;
+    }
+
+    public String getDateTime() {
+        return DateTime;
+    }
+
+    public void setDateTime(String dateTime) {
+        DateTime = dateTime;
+    }
+
+    public int getDuration() {
+        return Duration;
+    }
+
+    public void setDuration(int duration) {
+        Duration = duration;
+    }
+
+    @Override
+    public IMessageContent create(byte[] bytes) {
+        return null;
+    }
+
+    @Override
+    public int getTag() {
+        return 0x21;
+    }
+
+    @Override
+    public byte[] process(String deviceFlag, String flagType, byte msgIndex, GZRequestStatus requestStatus) {
+        return new byte[0];
+    }
+
+    @Override
+    public byte[] toBytes() {
+        byte[] list = new byte[18];
+        int i=0;
+        list[i++] = (byte)getTag();
+        byte[] phone=GZUtil.phoneToByte(PhoneNumber);
+        System.arraycopy(phone, 0, list, i, phone.length);
+        i+=phone.length;
+        if(CallFlag==1&&Duration>0){
+            list[i++] = (byte)0x00;
+        }
+        else if(CallFlag==1&&Duration==0){
+            list[i++] = (byte)0x01;
+        }
+        else if(CallFlag==0&&Duration>0){
+            list[i++] = (byte)0x02;
+        }
+        else if(CallFlag==0&&Duration==0){
+            list[i++] = (byte)0x03;
+        }
+        else {
+            list[i++] = (byte)0x04;
+        }
+        byte[] duration= ByteUtil.toByte(Duration, 2);
+        System.arraycopy(duration, 0, list, i, duration.length);
+        i+=duration.length;
+        byte[] time=ByteUtil.hexToByteArray(DateTime);
+        System.arraycopy(time, 0, list, i, time.length);
+        return  list;
+    }
+}
diff --git a/src/main/java/com/ssjl/zhaobiao/guizhou/entity/IOT/IOTCall.java b/src/main/java/com/ssjl/zhaobiao/guizhou/entity/IOT/IOTCall.java
new file mode 100644
index 0000000..98ce5d3
--- /dev/null
+++ b/src/main/java/com/ssjl/zhaobiao/guizhou/entity/IOT/IOTCall.java
@@ -0,0 +1,40 @@
+package com.ssjl.zhaobiao.guizhou.entity.IOT;
+
+public class IOTCall {
+    private String PhoneNumber;
+    private int CallFlag;//1 CallOut 0 CallIn
+    private String  DateTime ;
+    private int Duration;
+
+    public String getPhoneNumber() {
+        return PhoneNumber;
+    }
+
+    public void setPhoneNumber(String phoneNumber) {
+        PhoneNumber = phoneNumber;
+    }
+
+    public int getCallFlag() {
+        return CallFlag;
+    }
+
+    public void setCallFlag(int callFlag) {
+        CallFlag = callFlag;
+    }
+
+    public String getDateTime() {
+        return DateTime;
+    }
+
+    public void setDateTime(String dateTime) {
+        DateTime = dateTime;
+    }
+
+    public int getDuration() {
+        return Duration;
+    }
+
+    public void setDuration(int duration) {
+        Duration = duration;
+    }
+}
diff --git a/src/test/java/com/ssjl/zhaobiao/guizhou/CenterApplicationTests.java b/src/test/java/com/ssjl/zhaobiao/guizhou/CenterApplicationTests.java
index b4763e8..7dd4747 100644
--- a/src/test/java/com/ssjl/zhaobiao/guizhou/CenterApplicationTests.java
+++ b/src/test/java/com/ssjl/zhaobiao/guizhou/CenterApplicationTests.java
@@ -197,4 +197,43 @@ class CenterApplicationTests {
         System.out.println(in);
     }
 
+    @Test
+    public void  test4(){
+        int tag=0x21;
+        String PhoneNumber="13439301795";
+        int CallFlag=1;
+        int Duration=30;
+        String DateTime="2101141805";
+
+        //1 CallOut 0 CallIn
+
+        byte[] list = new byte[18];
+        int i=0;
+        list[i++] = (byte)tag;
+        byte[] phone=GZUtil.phoneToByte(PhoneNumber);
+        System.arraycopy(phone, 0, list, i, phone.length);
+        i+=phone.length;
+        if(CallFlag==1&&Duration>0){
+            list[i++] = (byte)0x00;
+        }
+        else if(CallFlag==1&&Duration==0){
+            list[i++] = (byte)0x01;
+        }
+        else if(CallFlag==0&&Duration>0){
+            list[i++] = (byte)0x02;
+        }
+        else if(CallFlag==0&&Duration==0){
+            list[i++] = (byte)0x03;
+        }
+        else {
+            list[i++] = (byte)0x04;
+        }
+        byte[] duration= ByteUtil.toByte(Duration, 2);
+        System.arraycopy(duration, 0, list, i, duration.length);
+        i+=duration.length;
+        byte[] time=ByteUtil.hexToByteArray(DateTime);
+        System.arraycopy(time, 0, list, i, time.length);
+        System.out.println(ByteUtil.bytesToHexString(list));
+    }
+
 }