diff --git a/frameworks/native/audiodefinitions/include/audio_stream_enum.h b/frameworks/native/audiodefinitions/include/audio_stream_enum.h
index cddc7c5e8e3fea63e0ae29d626e97b55cd6fc4c0..a840e02ad624c49fda21465e3816fa25c13acbfd 100644
--- a/frameworks/native/audiodefinitions/include/audio_stream_enum.h
+++ b/frameworks/native/audiodefinitions/include/audio_stream_enum.h
@@ -36,6 +36,7 @@ enum AudioFlag : uint32_t {
     AUDIO_OUTPUT_FLAG_VOIP_FAST = 0x80, // select, route
     AUDIO_OUTPUT_FLAG_HWDECODING = 0x100, // select, route
     AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD = 0x200, // select, route
+    AUDIO_OUTPUT_FLAG_MODEM_COMMUNICATION = 0x400, // select, route
     AUDIO_INPUT_FLAG_NORMAL = 0x1000, // route
     AUDIO_INPUT_FLAG_FAST = 0x2000, // select, route
     AUDIO_INPUT_FLAG_VOIP = 0x4000, // select
diff --git a/services/audio_policy/server/domain/pipe/include/audio_pipe_manager.h b/services/audio_policy/server/domain/pipe/include/audio_pipe_manager.h
index 6a0c2ee88b6ee9ba04ade06f57a70337ad1a5187..69969bc7ebb0921151b8d051cc1ea89c4e7d9146 100644
--- a/services/audio_policy/server/domain/pipe/include/audio_pipe_manager.h
+++ b/services/audio_policy/server/domain/pipe/include/audio_pipe_manager.h
@@ -74,6 +74,7 @@ public:
     void AddModemCommunicationId(uint32_t sessionId, std::shared_ptr<AudioStreamDescriptor> &streamDesc);
     void RemoveModemCommunicationId(uint32_t sessionId);
     std::shared_ptr<AudioStreamDescriptor> GetModemCommunicationStreamDescById(uint32_t sessionId);
+    std::shared_ptr<AudioStreamDescriptor> GetModemCommunicationStreamDesc();
     std::unordered_map<uint32_t, std::shared_ptr<AudioStreamDescriptor>> GetModemCommunicationMap();
     void UpdateModemStreamStatus(AudioStreamStatus streamStatus);
     void UpdateModemStreamDevice(std::vector<std::shared_ptr<AudioDeviceDescriptor>> &deviceDescs);
diff --git a/services/audio_policy/server/domain/pipe/include/audio_pipe_selector.h b/services/audio_policy/server/domain/pipe/include/audio_pipe_selector.h
index 14b7733ea72571dae0d04204886f539349f4b1e7..3410eda2a090fc4f7dbcc997138c1b410e98b54b 100644
--- a/services/audio_policy/server/domain/pipe/include/audio_pipe_selector.h
+++ b/services/audio_policy/server/domain/pipe/include/audio_pipe_selector.h
@@ -67,6 +67,8 @@ private:
         std::map<std::shared_ptr<AudioStreamDescriptor>, std::string> &streamToAdapter);
     void AddStreamToPipeAndUpdateAction(std::shared_ptr<AudioStreamDescriptor> &streamToAdd,
         std::shared_ptr<AudioPipeInfo> &pipe);
+    void ProcessModemCommunicationConcurrency(std::vector<std::shared_ptr<AudioStreamDescriptor>> &streamDescs,
+        std::vector<std::shared_ptr<AudioStreamDescriptor>> &streamsMoveToNormal);
 
     AudioPolicyConfigManager& configManager_;
 };
diff --git a/services/audio_policy/server/domain/pipe/src/audio_pipe_manager.cpp b/services/audio_policy/server/domain/pipe/src/audio_pipe_manager.cpp
index 3da2354ac6711cee3578e7cbc1a34046a3cca1d3..405609cf4fa79c01658a36fc2526930ff124f452 100644
--- a/services/audio_policy/server/domain/pipe/src/audio_pipe_manager.cpp
+++ b/services/audio_policy/server/domain/pipe/src/audio_pipe_manager.cpp
@@ -445,6 +445,13 @@ std::shared_ptr<AudioStreamDescriptor> AudioPipeManager::GetModemCommunicationSt
     }
 }
 
+std::shared_ptr<AudioStreamDescriptor> AudioPipeManager::GetModemCommunicationStreamDesc()
+{
+    std::shared_lock<std::shared_mutex> pLock(pipeListLock_);
+    CHECK_AND_RETURN_RET_LOG(!modemCommunicationIdMap_.empty(), nullptr, "ModemCommunicationMap is empty!");
+    return modemCommunicationIdMap_.begin()->second;
+}
+
 std::unordered_map<uint32_t, std::shared_ptr<AudioStreamDescriptor>> AudioPipeManager::GetModemCommunicationMap()
 {
     std::shared_lock<std::shared_mutex> pLock(pipeListLock_);
diff --git a/services/audio_policy/server/domain/pipe/src/audio_pipe_selector.cpp b/services/audio_policy/server/domain/pipe/src/audio_pipe_selector.cpp
index 5e44823fa9dc31a860d364899604ec17c2f036c1..f44c6e77ffcb14b2c4a81693dbd5751e2afc1280 100644
--- a/services/audio_policy/server/domain/pipe/src/audio_pipe_selector.cpp
+++ b/services/audio_policy/server/domain/pipe/src/audio_pipe_selector.cpp
@@ -140,13 +140,15 @@ void AudioPipeSelector::DecideFinalRouteFlag(std::vector<std::shared_ptr<AudioSt
     CHECK_AND_RETURN_LOG(streamDescs.size() != 0, "streamDescs is empty!");
     SortStreamDescsByStartTime(streamDescs);
     streamDescs[0]->routeFlag_ = GetRouteFlagByStreamDesc(streamDescs[0]);
+    // Do not need to move stream, because stream actions are all decided in DecidePipesAndStreamAction(),
+    // not in ProcessConcurrency().
+    std::vector<std::shared_ptr<AudioStreamDescriptor>> streamsMoveToNormal;
     if (streamDescs.size() == 1) {
+        // modemCommunication streamDescs stored in modemCommunicationIdMap_, need to do extra concurrencyProcess
+        ProcessModemCommunicationConcurrency(streamDescs, streamsMoveToNormal);
         return;
     }
 
-    // Do not need to move stream, because stream actions are all decided in DecidePipesAndStreamAction(),
-    // not in ProcessConcurrency().
-    std::vector<std::shared_ptr<AudioStreamDescriptor>> streamsMoveToNormal;
     for (size_t cmpStreamIdx = 1; cmpStreamIdx < streamDescs.size(); ++cmpStreamIdx) {
         streamDescs[cmpStreamIdx]->routeFlag_ = GetRouteFlagByStreamDesc(streamDescs[cmpStreamIdx]);
         // calculate concurrency in time order
@@ -154,6 +156,7 @@ void AudioPipeSelector::DecideFinalRouteFlag(std::vector<std::shared_ptr<AudioSt
             ProcessConcurrency(streamDescs[curStreamDescIdx], streamDescs[cmpStreamIdx], streamsMoveToNormal);
         }
     }
+    ProcessModemCommunicationConcurrency(streamDescs, streamsMoveToNormal);
 }
 
 // add streamDescs to prefer newPipe based on final routeFlag, create newPipe if needed
@@ -290,6 +293,10 @@ void AudioPipeSelector::ScanPipeListForStreamDesc(std::vector<std::shared_ptr<Au
             pipeInfo->SetAction(PIPE_ACTION_UPDATE);
         }
     }
+    // modemCommunication streamDescs stored in modemCommunicationIdMap_, need to do extra concurrencyProcess
+    std::vector<std::shared_ptr<AudioStreamDescriptor>> tempStreamDescs{streamDesc};
+    ProcessModemCommunicationConcurrency(tempStreamDescs, streamsMoveToNormal);
+
     // Move concede existing streams to its corresponding normal pipe
     MoveStreamsToNormalPipes(streamsMoveToNormal, pipeInfoList);
 
@@ -315,6 +322,8 @@ AudioPipeType AudioPipeSelector::GetPipeType(uint32_t flag, AudioMode audioMode)
             return PIPE_TYPE_MULTICHANNEL;
         } else if (flag & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) {
             return PIPE_TYPE_OFFLOAD;
+        } else if (flag & AUDIO_OUTPUT_FLAG_MODEM_COMMUNICATION) {
+            return PIPE_TYPE_CALL_OUT;
         } else {
             return PIPE_TYPE_NORMAL_OUT;
         }
@@ -597,5 +606,19 @@ void AudioPipeSelector::RemoveTargetStreams(
         }
     }
 }
+
+void AudioPipeSelector::ProcessModemCommunicationConcurrency(
+    std::vector<std::shared_ptr<AudioStreamDescriptor>> &streamDescs,
+    std::vector<std::shared_ptr<AudioStreamDescriptor>> &streamsMoveToNormal)
+{
+    CHECK_AND_RETURN(AudioPipeManager::GetPipeManager()->IsModemCommunicationIdExist());
+    AUDIO_INFO_LOG("ModemCommunication exists, need process concurrency");
+    std::shared_ptr<AudioStreamDescriptor> modemCommStream =
+        AudioPipeManager::GetPipeManager()->GetModemCommunicationStreamDesc();
+    for (auto &streamDesc : streamDescs) {
+        ProcessConcurrency(modemCommStream, streamDesc, streamsMoveToNormal);
+    }
+}
+
 } // namespace AudioStandard
 } // namespace OHOS
\ No newline at end of file
diff --git a/services/audio_policy/server/service/service_main/src/audio_core_service.cpp b/services/audio_policy/server/service/service_main/src/audio_core_service.cpp
index 10ce3b5fa5c3c76e53c1bd69f38907daad45840d..ceff02fe69ee2040fbd9e4c69b8d2f6863be4485 100644
--- a/services/audio_policy/server/service/service_main/src/audio_core_service.cpp
+++ b/services/audio_policy/server/service/service_main/src/audio_core_service.cpp
@@ -171,6 +171,8 @@ int32_t AudioCoreService::CreateRendererClient(
         isModemStream = true;
         audioFlag = AUDIO_FLAG_NORMAL;
         AddSessionId(sessionId);
+        streamDesc->audioFlag_ = AUDIO_OUTPUT_FLAG_MODEM_COMMUNICATION;
+        streamDesc->routeFlag_ = AUDIO_OUTPUT_FLAG_MODEM_COMMUNICATION;
         pipeManager_->AddModemCommunicationId(sessionId, streamDesc);
     }