callback event serial

src/core/callcenter/esl/handler/channel_answer_handler.py

@@ -167,6 +167,7 @@ class ChannelAnswerHandler(EslEventHandler):
         else:
             _record_url = self.start_recording(device_id, get_record_file_name(call_id, CallStage.ALL), call)
             device.record = _record_url
+        self.cache.add_call_info(call)
         return _record_url
 
     def start_recording(self, device_id, file_name, call: CallInfo):