---
title: "CLOVA Speech troubleshooting "
slug: "ai-application-service-clovaspeech-troubleshoot"
updated: 2026-09-17T09:07:22Z
published: 2026-09-17T09:35:54Z
canonical: "api.ncloud-docs.com/ai-application-service-clovaspeech-troubleshoot"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# CLOVA Speech troubleshooting 

Available in Classic and VPC

This document describes the issues you may encounter while using the CLOVA Speech live streaming service and how to resolve them.

## Live streaming recognition issues

The following describes common problem situations that users may encounter and how to resolve them.

[Usage of `epFlag` and `seqId` in `extraContents` field](/docs/en/ai-application-service-clovaspeech-troubleshoot-grpc#extracontentsepflagseqld%EC%9A%A9%EB%8F%84)

I would like to know the usage of the parameters `epFlag` and `seqId` in the `extraContents` field of the Recognize API.

[Whether gRPC service pausing is supported](/docs/en/ai-application-service-clovaspeech-troubleshoot-grpc#gRPC%EC%84%9C%EB%B9%84%EC%8A%A4%EC%9D%BC%EC%8B%9C%EC%A0%95%EC%A7%80%EA%B8%B0%EB%8A%A5%EC%A7%80%EC%9B%90%EC%97%AC%EB%B6%80)

I would like to know if the gRPC service supports pausing.

[Recognize API sound source data format](/docs/en/ai-application-service-clovaspeech-troubleshoot-grpc#%EC%9D%B8%EC%8B%9DRecognizeAPI%EC%9D%8C%EC%9B%90%EB%8D%B0%EC%9D%B4%ED%84%B0%ED%98%95%EC%8B%9D)

I would like to know about the sound source data format for the Recognize API.

[Whether `epFlag` value is required to be `true` before calling Close API](/docs/en/ai-application-service-clovaspeech-troubleshoot-grpc#%EC%A2%85%EB%A3%8CCloseAPI%ED%98%B8%EC%B6%9C%EC%A0%84epFlag%EA%B0%92true%ED%95%84%EC%88%98%EC%97%AC%EB%B6%80)

I would like to know if it is mandatory to set the `epFlag` entry to `true` in the Recognize API's `extraContents` before calling the Close API.

[Whether all responses have been received](/docs/en/ai-application-service-clovaspeech-troubleshoot-grpc#%EC%9D%91%EB%8B%B5%ED%9A%8C%EC%8B%A0%EC%97%AC%EB%B6%80)

I would like to know if I have received all the responses to the request I sent.

[Whether gRPC service has connection lifetime limit](/docs/en/ai-application-service-clovaspeech-troubleshoot-grpc#gRPC%EC%84%9C%EB%B9%84%EC%8A%A4%EC%9D%98ConnectionLifetime%EC%A0%9C%ED%95%9C%EC%97%AC%EB%B6%80)

I would like to know if there is a limit to the connection lifetime (the duration of the connection between the server and client) for the gRPC service.

## Content to explore

NAVER Cloud Platform provides information in a variety of ways to help our customers. Here's a guide to useful content that you can utilize when using the CLOVA Speech service.

- User Guide: [CLOVA Speech User Guide](https://guide.ncloud-docs.com/docs/en/clovaspeech-overview)

              Note

              

If you didn't find what you needed in this guide, or if you have additional information you need, feel free to let us know by clicking the feedback icon below. We'll take your feedback into consideration and provide more helpful information.