我正在尝试谷歌语音API，我已经从谷歌语音api的
采取了Java样本https://github.com/GoogleCloudPlatform/java-docs-samples/tree/master/speech/cloud-client
当我从家庭网络尝试时，这种方法很好用。但是当我从办公室试用它时，相同的代码不起作用。它等待3分钟然后抛出以下异常。我正在使用'asynchrecognize'模式。
Exception in thread "main" java.util.concurrent.ExecutionException: com.google.api.gax.grpc.ApiException: io.grpc.StatusRuntimeException: DEADLINE_EXCEEDED
at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:476)
at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:455)
at com.google.api.gax.grpc.OperationFuture$DataGetterRunnable.callImpl(OperationFuture.java:171)
at com.google.api.gax.grpc.OperationFuture$DataGetterRunnable.call(OperationFuture.java:161)
at com.google.api.gax.grpc.OperationFuture$DataGetterRunnable.call(OperationFuture.java:131)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: com.google.api.gax.grpc.ApiException: io.grpc.StatusRuntimeException: DEADLINE_EXCEEDED
at com.google.api.gax.grpc.ExceptionTransformingCallable$ExceptionTransformingFuture.onFailure(ExceptionTransformingCallable.java:108)
at com.google.api.core.ApiFutures$1.onFailure(ApiFutures.java:53)
at com.google.common.util.concurrent.Futures$6.run(Futures.java:1764)
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:456)
at com.google.common.util.concurrent.AbstractFuture.executeListener(AbstractFuture.java:817)
at com.google.common.util.concurrent.AbstractFuture.complete(AbstractFuture.java:753)
at com.google.common.util.concurrent.AbstractFuture.setException(AbstractFuture.java:634)
at io.grpc.stub.ClientCalls$GrpcFuture.setException(ClientCalls.java:463)
at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(ClientCalls.java:439)
at io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:428)
at io.grpc.internal.ClientCallImpl.access$100(ClientCallImpl.java:76)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.close(ClientCallImpl.java:514)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl.access$700(ClientCallImpl.java:431)
at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:546)
at io.grpc.internal.ContextRunnable.run(ContextRunnable.java:52)
at io.grpc.internal.SerializingExecutor$TaskRunner.run(SerializingExecutor.java:152)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
... 6 more
我怀疑存在网络权限问题，我需要打开一些端口，但不确定哪一个？