服务器搭建好并运行成功，使用两台设备成功登入，输入对方用户名后，点击音频通话或视频通话，另一台设备没有响应

[thomasxiao]

如题，目前服务器已完成搭建，并保证了服务器和两台设备在一个局域网内，可以互相联通。
而且两台设备使用Demo程序都成功登录。日志如下
2025-07-10 10:09:10.797 2644-2739 dds_info com.dds.webrtc E onOpen
2025-07-10 10:09:10.797 2644-2739 dds_SocketManager com.dds.webrtc I socket is open!

当一台设备输入对方用户名后，点击音频通话或视频通话，另一台设备没有响应。Log日志如下：
2025-07-10 10:09:22.270 2644-2822 dds_WebSocket com.dds.webrtc D send-->{"data":{"room":"00220cd1-3633-4442-8665-fe1c87a841571752113362262","roomSize":2},"eventName":"__create"}
2025-07-10 10:09:22.292 2644-2644 FramePredict com.dds.webrtc D start to set mThreadedRenderer.
2025-07-10 10:09:22.292 2644-2644 DecorView[] com.dds.webrtc D getWindowModeFromSystem windowmode is 1
2025-07-10 10:09:22.292 2644-2644 DecorView[] com.dds.webrtc D updateDecorCaptionStatus windowMode is 1
2025-07-10 10:09:22.311 2644-2644 VRI[CallSingleActivity] com.dds.webrtc D vri.reportNextDraw android.view.ViewRootImpl.performTraversals:3792 android.view.ViewRootImpl.doTraversal:2556 android.view.ViewRootImpl$TraversalRunnable.run:9508 android.view.Choreographer$CallbackRecord.run:1459 android.view.Choreographer$CallbackRecord.run:1467
2025-07-10 10:09:22.311 2644-2644 VRI[CallSingleActivity] com.dds.webrtc D vri.Setup new sync id=0 syncSeqId=0
2025-07-10 10:09:22.316 2644-2673 perf_hint com.dds.webrtc E Session creation failed, mPreferredRateNanos: -1
请问这是什么问题？