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description: Get answers to the most popular questions about voice assistants using Custom Commands (Preview) or the Direct Line Speech channel.
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services: cognitive-services
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ms.author: travisw
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# Voice assistants: Frequently asked questions
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# Voice assistants frequently asked questions
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If you can't find answers to your questions in this document, check out [other support options](support.md).
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**A:** The best way to begin with creating a Custom Commands (Preview) application or basic Bot Framework bot.
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*[Create a Custom Commands (Preview) application](quickstart-custom-speech-commands-create-new.md)
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*[Create a basic Bot Framework bot](https://docs.microsoft.com/azure/bot-service/bot-builder-tutorial-basic-deploy?view=azure-bot-service-4.0)
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*[Connect a bot to the Direct Line Speech channel](https://docs.microsoft.com/azure/bot-service/bot-service-channel-connect-directlinespeech)
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-[Create a Custom Commands (Preview) application](quickstart-custom-speech-commands-create-new.md)
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-[Create a basic Bot Framework bot](https://docs.microsoft.com/azure/bot-service/bot-builder-tutorial-basic-deploy?view=azure-bot-service-4.0)
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-[Connect a bot to the Direct Line Speech channel](https://docs.microsoft.com/azure/bot-service/bot-service-channel-connect-directlinespeech)
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## Debugging
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The latest version of Direct Line Speech simplifies the process of contacting your bot from a device. On the channel registration page, the drop-down at the top associates your Direct Line Speech channel registration with a speech resource. Once associated, the v1.8 Speech SDK includes a `BotFrameworkConfig::FromSubscription` factory method that will configure a `DialogServiceConnector` to contact the bot you've associated with your subscription.
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If you're still migrating your client application from v1.7 to v1.8, `DialogServiceConfig::FromBotSecret` may continue to work with a non-empty, non-null value for its channel secret parameter, e.g. the previous secret you used. It will simply be ignored when using a speech subscription associated with a newer channel registration. Please note that the value *must* be non-null and non-empty, as these are checked for on the device before the service-side association is relevant.
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If you're still migrating your client application from v1.7 to v1.8, `DialogServiceConfig::FromBotSecret` may continue to work with a non-empty, non-null value for its channel secret parameter, e.g. the previous secret you used. It will simply be ignored when using a speech subscription associated with a newer channel registration. Please note that the value _must_ be non-null and non-empty, as these are checked for on the device before the service-side association is relevant.
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For a more detailed guide, please see the [tutorial section](tutorial-voice-enable-your-bot-speech-sdk.md#register-the-direct-line-speech-channel) that walks through channel registration.
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**Q: I get a 401 error when connecting and nothing works. I know my speech subscription key is valid. What's going on?**
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**A:** When managing your subscription on the Azure portal, please ensure you're using the **Speech** resource (Microsoft.CognitiveServicesSpeechServices, "Speech") and *not* the **Cognitive Services** resource (Microsoft.CognitiveServicesAllInOne, "All Cognitive Services"). Also, please check [Speech service region support for voice assistants](regions.md#voice-assistants).
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**A:** When managing your subscription on the Azure portal, please ensure you're using the **Speech** resource (Microsoft.CognitiveServicesSpeechServices, "Speech") and _not_ the **Cognitive Services** resource (Microsoft.CognitiveServicesAllInOne, "All Cognitive Services"). Also, please check [Speech service region support for voice assistants](regions.md#voice-assistants).
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![correct subscription for direct line speech](media/voice-assistants/faq-supported-subscription.png"example of a compatible Speech subscription")
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**Q: I get recognition text back from my `DialogServiceConnector`, but I see a '1011' error and nothing from my bot. Why?**
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**A:** This error indicates a communication problem between your assistant and the voice assistant service.
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* For Custom Commands (Preview), ensure that your Custom Commands (Preview) Application is published
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* For Direct Line Speech, ensure that you've [connected your bot to the Direct Line Speech channel](https://docs.microsoft.com/azure/bot-service/bot-service-channel-connect-directlinespeech), [added Streaming protocol support](https://aka.ms/botframework/addstreamingprotocolsupport) to your bot (with the related Web Socket support), and then check that your bot is responding to incoming requests from the channel.
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- For Custom Commands (Preview), ensure that your Custom Commands (Preview) Application is published
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- For Direct Line Speech, ensure that you've [connected your bot to the Direct Line Speech channel](https://docs.microsoft.com/azure/bot-service/bot-service-channel-connect-directlinespeech), [added Streaming protocol support](https://aka.ms/botframework/addstreamingprotocolsupport) to your bot (with the related Web Socket support), and then check that your bot is responding to incoming requests from the channel.
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**Q: This code still doesn't work and/or I'm getting a different error when using a `DialogServiceConnector`. What should I do?**
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**A:** File-based logging provides substantially more detail and can help accelerate support requests. To enable this functionality, see [how to use file logging](how-to-use-logging.md).
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title: 'How-to: Use automatic language detection for speech to text - Speech Service'
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title: How to use automatic language detection for speech to text
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titleSuffix: Azure Cognitive Services
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description: The Speech SDK supports automatic language detection for speech to text. When using this feature, the audio provided is compared against a provided list of languages, and the most likely match is determined. The returned value can then be used to select the language model used for speech to text.
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Automatic language detection currently has a services-side limit of two languages per detection. Keep this limitation in mind when construction your `AudoDetectSourceLanguageConfig` object. In the samples below, you'll create an `AutoDetectSourceLanguageConfig`, then use it to construct a `SpeechRecognizer`.
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>[!TIP]
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>[!TIP]
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> You can also specify a custom model to use when performing speech to text. For more information, see [Use a custom model for automatic language detection](#use-a-custom-model-for-automatic-language-detection).
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The following snippets illustrate how to use automatic language detection in your apps:
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