# Document history for the AWS End User Messaging SMS User Guide The following table describes the documentation releases for AWS End User Messaging SMS. | Change | Description | Date | | --- |--- |--- | | [Added support for RCS messaging](#doc-history) | Added support for Rich Communication Services (RCS) messaging with verified brand identity, delivery receipts, and automatic SMS fallback. For more information, see [RCS messaging](https://docs.aws.amazon.com/sms-voice/latest/userguide/rcs.html). | March 31, 2026 | | [Added support for Notify](#doc-history) | Added support for Notify, a managed messaging solution for sending templated OTP and verification messages using AWS-managed origination identities. For more information, see [Notify](https://docs.aws.amazon.com/sms-voice/latest/userguide/notify.html). | March 31, 2026 | | [Regional availability](#doc-history) | Added Asia Pacific (New Zealand) and Asia Pacific (Taipei) to the list of supported regions. For more information, see [Regional availability](https://docs.aws.amazon.com/sms-voice/latest/userguide/what-is.html#sms-regions). | February 5, 2026 | | [Added support for Gen-AI feedback on registrations](#doc-history) | Added support for Gen-AI powered registration feedback to help improve registration submissions before carrier review. For more information, see [Gen-AI Feedback on Registrations (Preview)](https://docs.aws.amazon.com/sms-voice/latest/userguide/registrations-genai-feedback.html). | December 22, 2025 | | [Support added for CarrierLookup](#doc-history) | Use the CarrierLookup service to obtain information about a phone number, including if the phone number is valid. Fore more information, see [Use the carrier lookup service](https://docs.aws.amazon.com/sms-voice/latest/userguide/carrier-lookup.html) and [CarrierLookup](https://docs.aws.amazon.com/pinpoint/latest/apireference_smsvoicev2/API_CarrierLookup.html). | October 21, 2025 | | [Support added for sending Registration Status Update events to EventBridge](#doc-history) | Registration Status Update events are now sent to Amazon EventBridge. For more information, see [Monitoring SMS, MMS, and voice with EventBridge](https://docs.aws.amazon.com/sms-voice/latest/userguide/monitor-event-bridge.html). | October 1, 2025 | | [Added new topic with estimated origination registration times](#doc-history) | See [Estimated registration times](https://docs.aws.amazon.com/sms-voice/latest/userguide/registration-eta.html) for more information about estimated times to complete registration by country and origination identity type. | September 17, 2025 | | [Added support for International toll-free sending](#doc-history) | You can now use your U.S. toll-free number to send messages internationally. For more information about the destination countries that support International sending, see [ Supported countries and regions (SMS channel)](https://docs.aws.amazon.com/sms-voice/latest/userguide/phone-numbers-sms-by-country.html). To learn how to enable international sending on a phone number, see [ Change a phone number's capabilities](https://docs.aws.amazon.com/sms-voice/latest/userguide/phone-numbers-change-capabilitiy.html). | August 28, 2025 | | [Ireland sender ID registration](#doc-history) | Added directions to register your sender ID in Ireland. See [Ireland sender ID registration](https://docs.aws.amazon.com/sms-voice/latest/userguide/registrations-ireland.html). | July 3, 2025 | | [Spending threshold increases](#doc-history) | Updated process for requesting a spending quota increase through either AWS Support or AWS Service Quotas. For more information, see [Quotas for End User Messaging SMS](https://docs.aws.amazon.com/sms-voice/latest/userguide/quotas.html) and [Requesting a spending quota change](https://docs.aws.amazon.com/sms-voice/latest/userguide/awssupport-spend-threshold.html). | June 13, 2025 | | [10DLC campaign registration](#doc-history) | Added support for new 10DLC campaign registration fields. For more information, see [10DLC campaign registration form](https://docs.aws.amazon.com/sms-voice/latest/userguide/registrations-10dlc-register-campaign.html). | January 7, 2025 | | [Registration example](#doc-history) | Added an example of creating and submitting registration using the AWS CLI. For more information, see [Create a registration using the AWS CLI](https://docs.aws.amazon.com/sms-voice/latest/userguide/registrations-sms-cli.html). | December 20, 2024 | | [Registration forms](#doc-history) | Added support for registering sender IDs for 19 new countries. For more information, see [Registration forms](https://docs.aws.amazon.com/sms-voice/latest/userguide/registrations-country.html). | December 12, 2024 | | [Help with registration rejections](#doc-history) | Added new registration rejection error messages. For more information, see [Help with registration rejections](https://docs.aws.amazon.com/sms-voice/latest/userguide/registrations-genai-feedback.html). | December 11, 2024 | | [Phone number override rules](#doc-history) | Added support for phone number override rules to allow or block sending to specific phone numbers. For more information, see [Phone number override rules](https://docs.aws.amazon.com/sms-voice/latest/userguide/protect-rule-override.html). | November 15, 2024 | | [New service linked role for CloudWatch metrics](#doc-history) | Added the new service linked role AWSServiceRoleForSMSVoice to publish metrics to CloudWatch on your behalf. For more information, see [Using service-linked roles](https://docs.aws.amazon.com/sms-voice/latest/userguide/using-service-linked-roles.html). | November 15, 2024 | | [Monitoring SMS, MMS, and voice with EventBridge](#doc-history) | Added support for EventBridge for monitoring events. For more information, see [Monitoring with EventBridge](https://docs.aws.amazon.com/sms-voice/latest/userguide/monitor-event-bridge.html). | November 15, 2024 | | [Message feedback](#doc-history) | Added support for Message feedback to monitor your SMS and MMS message delivery. For more information, see [Message feedback;](https://docs.aws.amazon.com/sms-voice/latest/userguide/logging-using-cloudtrail.html). | November 15, 2024 | | [Added new CloudWatch metrics](#doc-history) | Added new CloudWatch metrics for Message delivery, Message feedback, Protect . For more information, see [CloudWatch metrics](https://docs.aws.amazon.com/sms-voice/latest/userguide/cw-metrics.html). | November 15, 2024 | | [Logging AWS End User Messaging SMS API calls using AWS CloudTrail](#doc-history) | Added support for AWS CloudTrail of `SendTextMessage`, `SendVoiceMessage`, and `SendMediaMessage`. For more information, see [Logging AWS End User Messaging SMS API calls using AWS CloudTrail](https://docs.aws.amazon.com/sms-voice/latest/userguide/logging-using-cloudtrail.html). | October 22, 2024 | | [10DLC brand registration](#doc-history) | Added support for Campaign Registry 10DLC brand registration email authentication. For more information, see [10DLC brand registration form](https://docs.aws.amazon.com/sms-voice/latest/userguide/registrations-10dlc-company.html). | October 17, 2024 | | [Shared resources](#doc-history) | Added support for sharing phone pools, phone numbers, opt-out lists, and sender IDs with AWS Resource Access Manager. For more information, see [Working with shared resources](https://docs.aws.amazon.com/sms-voice/latest/userguide/shared-resources.html). | September 24, 2024 | | [Document rename](#doc-history) | Renamed the Amazon Pinpoint SMS User Guide to AWS End User Messaging SMS User Guide. | July 24, 2024 | | [Regional availability](#doc-history) | Added Canada West (Calgary) to the list of supported regions. For more information, see [Regional availability](https://docs.aws.amazon.com/sms-voice/latest/userguide/sms-regions.html). | July 2, 2024 | | [United Kingdom sender ID registration](#doc-history) | Added a form for registering your sender ID in the United Kingdom. For more information, see [Request a phone number](https://docs.aws.amazon.com/sms-voice/latest/userguide/registrations-uk.html). | June 27, 2024 | | [Request a phone number](#doc-history) | Requesting a phone number for the United States has been updated with a new flow for 10DLC. For more information, see [Request a phone number](https://docs.aws.amazon.com/sms-voice/latest/userguide/phone-numbers-request.html). | June 24, 2024 | | [Protect configuration](#doc-history) | Use protect configurations to control which destination countries AWS End User Messaging SMS can send your messages to. For more information, see [Protect configurations](https://docs.aws.amazon.com/sms-voice/latest/userguide/protect-configuration.html). | April 30, 2024 | | [Multimedia messaging service (MMS) support](#doc-history) | AWS End User Messaging SMS now supports sending multimedia messages and files from an MMS capable origination identity. For more information, see [Sending an MMS message](https://docs.aws.amazon.com/sms-voice/latest/userguide/send-mms-message.html). | April 30, 2024 | | [Set a spend limit](#doc-history) | You can set an Enforced and Account spend limits for SMS and voice messages. For more information, see [Set a spend limit](https://docs.aws.amazon.com/sms-voice/latest/userguide/spend-limit.html). | March 27, 2024 | | [SMS Sandbox](#doc-history) | You are charged for SMS verification messages after the first verification message is sent. For more information, see [SMS Sandbox](https://docs.aws.amazon.com//sms-voice/latest/userguide/sandbox.html#sandbox-sms). | November 28, 2023 | | [Phone numbers two-way messaging](#doc-history) | AWS End User Messaging SMS now supports sending two-way SMS messages to Amazon Connect for processing. For more information, see [Two-way SMS messaging](https://docs.aws.amazon.com/sms-voice/latest/userguide/phone-numbers-two-way-sms.html). | November 28, 2023 | | [Initial release](#doc-history) | Initial release of the AWS End User Messaging SMS User Guide | November 16, 2023 |