增加本地缓存机制

src/core/voip/bot.py

@@ -380,7 +380,7 @@ class MyCall(pj.Call):
             # self.audio_media.stopTransmit()
             self.aud_media = None
 
-        # self.asr.close()
+        self.asr.close()
         # 远程挂机之后要将分机号回收
         self.agent.hangup(self.user_part)
         # self.agent.release(self.user_part)