diff --git a/sdk/communication/azure-communication-administration/CHANGELOG.md b/sdk/communication/azure-communication-administration/CHANGELOG.md
index 3f3f0f55287a..3ab815d73c1b 100644
--- a/sdk/communication/azure-communication-administration/CHANGELOG.md
+++ b/sdk/communication/azure-communication-administration/CHANGELOG.md
@@ -4,6 +4,9 @@
 
 ### Breaking Changes
 - CommunicationIdentityClient is moved to a new package: "azure.communication.identity"
+- Replaced CommunicationUser with CommunicationUserIdentifier.
+- Renamed CommunicationUserCredential to CommunicationTokenCredential.
+
 
 ##### `PhoneNumberAdministrationClient`
 -  `begin_reserve_phone_numbers` now takes `display_name`, `description`, `phone_plan_ids`, 
diff --git a/sdk/communication/azure-communication-chat/CHANGELOG.md b/sdk/communication/azure-communication-chat/CHANGELOG.md
index 7ed042ab5f0d..91ef304edb4e 100644
--- a/sdk/communication/azure-communication-chat/CHANGELOG.md
+++ b/sdk/communication/azure-communication-chat/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Release History
 
 ## 1.0.0b4 (Unreleased)
+### Breaking Changes
+- Replaced CommunicationUser with CommunicationUserIdentifier.
+- Replaced PhoneNumber with PhoneNumberIdentifier
 
 ### Added
 
diff --git a/sdk/communication/azure-communication-sms/CHANGELOG.md b/sdk/communication/azure-communication-sms/CHANGELOG.md
index 5f04aade5046..5dc9e897dfb4 100644
--- a/sdk/communication/azure-communication-sms/CHANGELOG.md
+++ b/sdk/communication/azure-communication-sms/CHANGELOG.md
@@ -7,6 +7,9 @@
 
 ## 1.0.0b4 (2020-11-16)
 - Updated `azure-communication-sms` version.
+### Breaking Changes
+- Replaced CommunicationUser with CommunicationUserIdentifier.
+- Replaced PhoneNumber with PhoneNumberIdentifier
 
 ## 1.0.0b3 (2020-10-07)
 - Add dependency to `azure-communication-nspkg` package, to support py2