# Document history for the Amazon Chime SDK Administration Guide The following table describes important changes to the *Amazon Chime SDK Administration Guide*, beginning in March 2022. Subscribe to an RSS feed for notifications about updates to this documentation. | Change | Description | Date | | --- |--- |--- | | [Alexa in-skill calling removed](#doc-history) | Due to changes by the Amazon Alexa team, you can no longer add Alexa calls to SIP media applications. For more information, refer to the [Alexa Smart Properties](https://developer.amazon.com/en-US/alexa/alexasmartproperties) page. | April 1, 2024 | | [Updated service-linked role policy](#doc-history) | The `AmazonChimeSDKMediaPipelinesServiceLinkedRolePolicy` added permission that allows CloudWatch to provide metrics for use in service dashboards. For more information, see [ Using roles with Amazon Chime SDK media pipelines](https://docs.aws.amazon.com/chime-sdk/latest/ag/using-service-linked-roles-media-pipeline.html) and [ AWS managed policy: AmazonChimeSDKMediaPipelinesServiceLinkedRolePolicy](https://docs.aws.amazon.com/chime-sdk/latest/ag/media-pipeline-service-linked-role-policy.html) | December 8, 2023 | | [Updated service-linked role policy, new meeting Regions](#doc-history) | The `AmazonChimeSDKMediaPipelinesServiceLinkedRolePolicy` added permissions that allow Kinesis Video Streams to stream audio, video, and screen-share data to Amazon Chime SDK meetings. For more information, see [Using roles with Amazon Chime SDK media pipelines](https://docs.aws.amazon.com/chime-sdk/latest/ag/using-service-linked-roles-media-pipeline.html) and [ AWS managed policy: AmazonChimeSDKMediaPipelinesServiceLinkedRolePolicy](https://docs.aws.amazon.com/chime-sdk/latest/ag/media-pipeline-service-linked-role-policy.html). | September 25, 2023 | | [Voice enhancement](#doc-history) | Administrators can now enable call enable voice enhancement, a feature that improves the audio quality of PSTN calls. For more information, refer to the *Understanding voice enhancement* section in [Creating a call analytics configuration](https://docs.aws.amazon.com/chime-sdk/latest/ag/create-ca-config.html). | August 31, 2023 | | [Updated service-linked role policy](#doc-history) | The `AmazonChimeVoiceConnectorServiceLinkedRolePolicy` added permissions that allow access to the [https://docs.aws.amazon.com/chime-sdk/latest/APIReference/API_media-pipelines-chime_GetMediaInsightsPipelineConfiguration.html](https://docs.aws.amazon.com/chime-sdk/latest/APIReference/API_media-pipelines-chime_GetMediaInsightsPipelineConfiguration.html) API. Amazon Chime Voice Connectors require those permissions in order to get media insights pipeline configurations. For more information, see [Configuring Voice Connectors to use call analytics](https://docs.aws.amazon.com/chime-sdk/latest/ag/configure-voicecon.html). | April 14, 2023 | | [Tagging for Voice Connectors](#doc-history) | Administrators can now assign tags to Amazon Chime SDK Voice Connectors. Tags assign metadata in the form of key-value pairs that you define. For more information, see [Using tags with Voice Connectors](https://docs.aws.amazon.com/chime-sdk/latest/ag/use-tags-voice-con.html). | April 13, 2023 | | [New and updated service linked role policies](#doc-history) | Developers can use the AmazonChimeSDKEvents service linked role to access streaming services such as Kinesis Firehose. For more information, see [Using the AmazonChimeSDKEvents service-linked role](https://docs.aws.amazon.com/chime-sdk/latest/ag/analytics-service-role.html). We also added the `AmazonChimeVoiceConnectorServiceLinkedRolePolicy` name to [Using service linked roles](https://docs.aws.amazon.com/chime-sdk/latest/dg/using-service-linked-roles.html). For more information, see [Using the AmazonChimeVoiceConnectorServiceLinkedRolePolicy](https://docs.aws.amazon.com/chime-sdk/latest/dg/using-service-linked-roles-stream.html). | March 27, 2023 | | [Call analytics and voice analytics](#doc-history) | Administrators, and developers with administrative permissions, can configure Voice Connectors for use with call analytics. As needed, you can also enable voice analytics. For more information, see [Managing Amazon Chime SDK call analytics](https://docs.aws.amazon.com/chime-sdk/latest/ag/ag-call-analytics.html) and [Configuring Voice Connectors to use call analytics](https://docs.aws.amazon.com/chime-sdk/latest/ag/configure-voicecon.html) in this guide. | March 27, 2023 | | [Updated security policy](#doc-history) | The [AWS managed Amazon Chime SDK policy](https://docs.aws.amazon.com/chime-sdk/latest/ag/security_iam_id-based-policy-examples.html) added new permissions that allow you to use [Amazon Chime SDK Media Pipeline](https://docs.aws.amazon.com/chime-sdk/latest/APIReference/API_Operations_Amazon_Chime_SDK_Media_Pipelines.html) APIs to create, read and delete Media Pipelines. | January 10, 2023 | | [New AWS Regions for SIP signaling](#doc-history) | Administrators can now associate SIP media applications with AWS Regions in Asia, Canada, and Europe. For more information, see [ Network configuration and bandwidth requirements](https://docs.aws.amazon.com/chime-sdk/latest/ag/network-config.html). | November 18, 2022 | | [Alexa in-skill calling](#doc-history) | Alexa Skill developers could enable calling directly from their skills. This feature has been removed. | November 18, 2022 | | [Updated emergency 911 calling](#doc-history) | We updated the emergency calling process. For more information, see [Setting up emergency calling](https://docs.aws.amazon.com/chime-sdk/latest/ag/set-up-emergency-calls.html). | August 4, 2022 | | [New service-linked role](#doc-history) | A new service-linked role enables developers to use media pipelines in Amazon Chime SDK meetings. For more information, see [AWS managed policy: AmazonChimeSDKMediaPipelinesServiceLinkedRolePolicy](https://docs.aws.amazon.com/chime-sdk/latest/ag/security_iam_id-based-policy-examples.html#media-pipeline-service-linked-role-policy). | April 26, 2022 | | [Amazon Chime SDK Administration Guide published](#doc-history) | The Amazon Chime SDK Administration Guide published. For changes before March 2022, see [Document history for Amazon Chime](https://docs.aws.amazon.com/chime/latest/ag/doc-history.html) in the *Amazon Chime Administrator Guide*. | March 24, 2022 |