diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/bean/InviteInfo.java b/src/main/java/com/genersoft/iot/vmp/gb28181/bean/InviteInfo.java
index 2a04e293..e1736f95 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/bean/InviteInfo.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/bean/InviteInfo.java
@@ -15,5 +15,7 @@ public class InviteInfo {
     private Long startTime;
     private Long stopTime;
     private String downloadSpeed;
+    private String ip;
+    private int port;
 
 }
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/bean/PlayException.java b/src/main/java/com/genersoft/iot/vmp/gb28181/bean/PlayException.java
new file mode 100644
index 00000000..89343940
--- /dev/null
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/bean/PlayException.java
@@ -0,0 +1,14 @@
+package com.genersoft.iot.vmp.gb28181.bean;
+
+import lombok.Data;
+
+@Data
+public class PlayException extends RuntimeException{
+    private int code;
+    private String msg;
+
+    public PlayException(int code, String msg) {
+        this.code = code;
+        this.msg = msg;
+    }
+}
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
index c0d98bc0..69c0951c 100644
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/service/impl/GbChannelServiceImpl.java
@@ -1,5 +1,6 @@
 package com.genersoft.iot.vmp.gb28181.service.impl;
 
+import com.genersoft.iot.vmp.common.StreamInfo;
 import com.genersoft.iot.vmp.conf.exception.ControllerException;
 import com.genersoft.iot.vmp.gb28181.bean.*;
 import com.genersoft.iot.vmp.gb28181.dao.CommonGBChannelMapper;
@@ -7,7 +8,9 @@ import com.genersoft.iot.vmp.gb28181.dao.GroupMapper;
 import com.genersoft.iot.vmp.gb28181.dao.RegionMapper;
 import com.genersoft.iot.vmp.gb28181.event.EventPublisher;
 import com.genersoft.iot.vmp.gb28181.event.subscribe.catalog.CatalogEvent;
+import com.genersoft.iot.vmp.gb28181.service.IDeviceService;
 import com.genersoft.iot.vmp.gb28181.service.IGbChannelService;
+import com.genersoft.iot.vmp.service.bean.ErrorCallback;
 import com.genersoft.iot.vmp.utils.DateUtil;
 import com.genersoft.iot.vmp.vmanager.bean.ErrorCode;
 import com.github.pagehelper.PageHelper;
@@ -19,6 +22,7 @@ import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
 
+import javax.sip.message.Response;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
@@ -34,6 +38,9 @@ public class GbChannelServiceImpl implements IGbChannelService {
     @Autowired
     private CommonGBChannelMapper commonGBChannelMapper;
 
+    @Autowired
+    private IDeviceService deviceService;
+
     @Autowired
     private RegionMapper regionMapper;
 
@@ -637,4 +644,18 @@ public class GbChannelServiceImpl implements IGbChannelService {
     public CommonGBChannel queryOneWithPlatform(Integer platformId, String channelDeviceId) {
         return commonGBChannelMapper.queryOneWithPlatform(platformId, channelDeviceId);
     }
+
+    @Override
+    public void start(CommonGBChannel channel, ErrorCallback<StreamInfo> callback) {
+        if (channel.getGbDeviceDbId() > 0) {
+            // 国标通道
+            Device device = deviceService.getDevice(channel.getGbDeviceDbId());
+            if (device == null) {
+                log.warn("[点播] 未找到通道{}的设备信息", channel);
+                throw new PlayException(Response.SERVER_INTERNAL_ERROR, "serverInternalError");
+            }
+
+
+        }
+    }
 }
diff --git a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
index 938047dc..6accd18e 100755
--- a/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
+++ b/src/main/java/com/genersoft/iot/vmp/gb28181/transmit/event/request/impl/InviteRequestProcessor.java
@@ -10,6 +10,7 @@ import com.genersoft.iot.vmp.conf.SipConfig;
 import com.genersoft.iot.vmp.conf.UserSetting;
 import com.genersoft.iot.vmp.conf.exception.ControllerException;
 import com.genersoft.iot.vmp.gb28181.bean.*;
+import com.genersoft.iot.vmp.gb28181.service.IDeviceService;
 import com.genersoft.iot.vmp.gb28181.service.IGbChannelService;
 import com.genersoft.iot.vmp.gb28181.service.IPlayService;
 import com.genersoft.iot.vmp.gb28181.session.AudioBroadcastManager;
@@ -83,6 +84,9 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
     @Autowired
     private IVideoManagerStorage storager;
 
+    @Autowired
+    private IDeviceService deviceService;
+
     @Autowired
     private IGbChannelService channelService;
 
@@ -158,7 +162,58 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
         SIPRequest request = (SIPRequest)evt.getRequest();
         try {
             InviteInfo inviteInfo = decode(evt);
-        } catch (SdpParseException e) {
+
+            // 查询请求是否来自上级平台\设备
+            Platform platform = storager.queryParentPlatByServerGBId(inviteInfo.getRequesterId());
+            if (platform == null) {
+                inviteFromDeviceHandle(request, inviteInfo.getRequesterId(), inviteInfo.getChannelId());
+            } else {
+                // 查询平台下是否有该通道
+                CommonGBChannel channel= channelService.queryOneWithPlatform(platform.getId(), inviteInfo.getChannelId());
+                if (channel == null) {
+                    log.info("[上级INVITE] 通道不存在，返回404: {}", inviteInfo.getChannelId());
+                    try {
+                        // 通道不存在，发404，资源不存在
+                        responseAck(request, Response.NOT_FOUND);
+                    } catch (SipException | InvalidArgumentException | ParseException e) {
+                        log.error("[命令发送失败] invite 通道不存在: {}", e.getMessage());
+                    }
+                    return;
+                }
+                // 通道存在，发100，TRYING
+                try {
+                    responseAck(request, Response.TRYING);
+                } catch (SipException | InvalidArgumentException | ParseException e) {
+                    log.error("[命令发送失败] invite TRYING: {}", e.getMessage());
+                }
+
+                channelService.start(channel, ((code, msg, data) -> {
+                    if (code != Response.OK) {
+                        try {
+                            responseAck(request, code, msg);
+                        } catch (SipException | InvalidArgumentException | ParseException e) {
+                            log.error("[命令发送失败] 点播失败: {}", e.getMessage());
+                        }
+                    }else {
+
+                    }
+                }));
+
+                if (channel.getGbDeviceDbId() > 0) {
+                    Device device = deviceService.getDevice(channel.getGbDeviceDbId());
+                    if (device == null) {
+                        log.warn("点播平台{}的通道{}时未找到设备信息", requesterId, channel);
+                        try {
+                            responseAck(request, Response.SERVER_INTERNAL_ERROR);
+                        } catch (SipException | InvalidArgumentException | ParseException e) {
+                            log.error("[命令发送失败] invite 未找到设备信息: {}", e.getMessage());
+                        }
+                        return;
+                    }
+                }
+
+            }
+        } catch (SdpException e) {
             // 参数不全， 发400，请求错误
             try {
                 responseAck(request, Response.BAD_REQUEST);
@@ -172,6 +227,12 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
             } catch (SipException | InvalidArgumentException | ParseException e) {
                 log.error("[命令发送失败] invite BAD_REQUEST: {}", e.getMessage());
             }
+        }catch (PlayException e) {
+            try {
+                responseAck(request, e.getCode(), e.getMsg());
+            } catch (SipException | InvalidArgumentException | ParseException e) {
+                log.error("[命令发送失败] invite 点播失败: {}", e.getMessage());
+            }
         }
 
         //  Invite Request消息实现，此消息一般为级联消息，上级给下级发送请求视频指令
@@ -546,7 +607,7 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
         inviteInfo.setChannelId(channelId);
         inviteInfo.setSessionName(sessionName);
         inviteInfo.setSsrc(gb28181Sdp.getSsrc());
-        inviteInfo.setCallId(request.getCallIdHeader().getCallId());
+        inviteInfo.setCallId(callIdHeader.getCallId());
 
         // 如果是录像回放，则会存在录像的开始时间与结束时间
         Long startTime = null;
@@ -603,12 +664,12 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
         inviteInfo.setStartTime(startTime);
         inviteInfo.setStopTime(stopTime);
         String username = sdp.getOrigin().getUsername();
-        String addressStr;
-        if(StringUtils.isEmpty(platform.getSendStreamIp())){
-            addressStr = sdp.getConnection().getAddress();
-        }else {
-            addressStr = platform.getSendStreamIp();
-        }
+//        String addressStr;
+//        if(StringUtils.isEmpty(platform.getSendStreamIp())){
+//            addressStr = sdp.getConnection().getAddress();
+//        }else {
+//            addressStr = platform.getSendStreamIp();
+//        }
 
         Vector sdpMediaDescriptions = sdp.getMediaDescriptions(true);
         MediaDescription mediaDescription = null;
@@ -619,6 +680,11 @@ public class InviteRequestProcessor extends SIPRequestProcessorParent implements
         if (mediaDescription != null) {
             downloadSpeed = mediaDescription.getAttribute("downloadspeed");
         }
+        inviteInfo.setIp(sdp.getConnection().getAddress());
+        inviteInfo.setPort(port);
+        inviteInfo.setDownloadSpeed(downloadSpeed);
+
+        return inviteInfo;
 
     }