src/main/java/com/genersoft/iot/vmp/gb28181/task/impl/CatalogSubscribeTask.java
@@ -5,6 +5,7 @@ import com.genersoft.iot.vmp.gb28181.transmit.cmd.ISIPCommander; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.scheduling.annotation.Async; import javax.sip.Dialog; import javax.sip.DialogState; @@ -72,4 +73,10 @@ }); } } @Override public DialogState getDialogState() { if (dialog == null) return null; return dialog.getState(); } }