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AWS sms-voice documentation change

Service: sms-voice · 2026-04-01 · Documentation medium

File: sms-voice/latest/userguide/registrations.md

Summary

Added note about registrations being used for Notify Advanced tier brand verification

Security assessment

This change documents that registrations support brand verification for Notify Advanced tier, which is a security feature that helps prevent spoofing and ensures message authenticity.

Diff

diff --git a/sms-voice/latest/userguide/registrations.md b/sms-voice/latest/userguide/registrations.md
index 6fdfa6b5b..fd945195c 100644
--- a//sms-voice/latest/userguide/registrations.md
+++ b//sms-voice/latest/userguide/registrations.md
@@ -8,0 +9,4 @@ Some countries require you to register your company's identity to be able to pur
+###### Note
+
+Registrations are also used for Notify Advanced tier brand verification. For more information, see [Notify tiers](./notify-tiers.html).
+