diff --git a/sdk/communication/azure-communication-sms/src/test/java/com/azure/communication/sms/SmsAsyncClientTests.java b/sdk/communication/azure-communication-sms/src/test/java/com/azure/communication/sms/SmsAsyncClientTests.java
index 071def7c33db..418cedd2231a 100644
--- a/sdk/communication/azure-communication-sms/src/test/java/com/azure/communication/sms/SmsAsyncClientTests.java
+++ b/sdk/communication/azure-communication-sms/src/test/java/com/azure/communication/sms/SmsAsyncClientTests.java
@@ -150,10 +150,8 @@ public void sendFromUnauthorizedNumber(HttpClient httpClient) {
         // Action & Assert
         Mono<SmsSendResult> response = asyncClient.send("+18007342577", TO_PHONE_NUMBER, MESSAGE);
         StepVerifier.create(response)
-            .expectError().verify();
-        // TODO: re-enable this when service change is made
-        //.expectErrorMatches(exception ->
-        //        ((HttpResponseException) exception).getResponse().getStatusCode() == 401).verify();
+        .expectErrorMatches(exception ->
+               ((HttpResponseException) exception).getResponse().getStatusCode() == 401).verify();
     }
 
     @ParameterizedTest
diff --git a/sdk/communication/azure-communication-sms/src/test/java/com/azure/communication/sms/SmsClientTests.java b/sdk/communication/azure-communication-sms/src/test/java/com/azure/communication/sms/SmsClientTests.java
index 9fa1a286ec1a..c2037145863a 100644
--- a/sdk/communication/azure-communication-sms/src/test/java/com/azure/communication/sms/SmsClientTests.java
+++ b/sdk/communication/azure-communication-sms/src/test/java/com/azure/communication/sms/SmsClientTests.java
@@ -133,8 +133,7 @@ public void sendFromUnauthorizedNumber(HttpClient httpClient) {
             SmsSendResult response = client.send("+18007342577", TO_PHONE_NUMBER, MESSAGE);
         } catch (Exception exception) {
             assertNotNull(((HttpResponseException) exception).getResponse().getStatusCode());
-            // TODO: re-enable this when service change is made
-            //assertEquals(401, ((HttpResponseException) exception).getResponse().getStatusCode());
+            assertEquals(401, ((HttpResponseException) exception).getResponse().getStatusCode());
         }
     }
 
diff --git a/sdk/communication/azure-communication-sms/src/test/resources/session-records/SmsAsyncClientTests.sendFromUnauthorizedNumber[1].json b/sdk/communication/azure-communication-sms/src/test/resources/session-records/SmsAsyncClientTests.sendFromUnauthorizedNumber[1].json
index cd0904326c1b..1f68f78ba11b 100644
--- a/sdk/communication/azure-communication-sms/src/test/resources/session-records/SmsAsyncClientTests.sendFromUnauthorizedNumber[1].json
+++ b/sdk/communication/azure-communication-sms/src/test/resources/session-records/SmsAsyncClientTests.sendFromUnauthorizedNumber[1].json
@@ -3,18 +3,18 @@
     "Method" : "POST",
     "Uri" : "https://REDACTED.communication.azure.com/sms?api-version=2021-03-07",
     "Headers" : {
-      "User-Agent" : "azsdk-java-azure-communication-sms/1.0.0-beta.5 (11.0.8; Windows 10; 10.0)",
+      "User-Agent" : "azsdk-java-azure-communication-sms/1.0.1 (15.0.1; Windows 10; 10.0)",
       "Content-Type" : "application/json"
     },
     "Response" : {
+      "content-length" : "0",
       "api-supported-versions" : "2020-07-20-preview1, 2020-08-20-preview, 2021-03-07",
-      "X-Processing-Time" : "276ms",
-      "MS-CV" : "02V0pMyhYEqt9Ppq6IsUzg.0",
+      "X-Processing-Time" : "420ms",
+      "MS-CV" : "MF1HkLIYBEeDxppDAHatnQ.0",
       "retry-after" : "0",
-      "X-Azure-Ref" : "0FX5CYAAAAAD59GhqbPjwSYIPbDxPd0ORWVZSMzBFREdFMDQwOAA5ZmM3YjUxOS1hOGNjLTRmODktOTM1ZS1jOTE0OGFlMDllODE=",
-      "Content-Length" : "0",
-      "StatusCode" : "404",
-      "Date" : "Fri, 05 Mar 2021 18:53:10 GMT",
+      "X-Azure-Ref" : "0jiKDYAAAAACgf/mlrIJUQrgSthlobIR6TEFYRURHRTEyMDkAOWZjN2I1MTktYThjYy00Zjg5LTkzNWUtYzkxNDhhZTA5ZTgx",
+      "StatusCode" : "401",
+      "Date" : "Fri, 23 Apr 2021 19:39:58 GMT",
       "Request-Context" : "appId="
     },
     "Exception" : null
diff --git a/sdk/communication/azure-communication-sms/src/test/resources/session-records/SmsClientTests.sendFromUnauthorizedNumber[1].json b/sdk/communication/azure-communication-sms/src/test/resources/session-records/SmsClientTests.sendFromUnauthorizedNumber[1].json
index fe09ce9b7b48..44a360ac9f11 100644
--- a/sdk/communication/azure-communication-sms/src/test/resources/session-records/SmsClientTests.sendFromUnauthorizedNumber[1].json
+++ b/sdk/communication/azure-communication-sms/src/test/resources/session-records/SmsClientTests.sendFromUnauthorizedNumber[1].json
@@ -3,18 +3,18 @@
     "Method" : "POST",
     "Uri" : "https://REDACTED.communication.azure.com/sms?api-version=2021-03-07",
     "Headers" : {
-      "User-Agent" : "azsdk-java-azure-communication-sms/1.0.0-beta.5 (11.0.8; Windows 10; 10.0)",
+      "User-Agent" : "azsdk-java-azure-communication-sms/1.0.1 (15.0.1; Windows 10; 10.0)",
       "Content-Type" : "application/json"
     },
     "Response" : {
+      "content-length" : "0",
       "api-supported-versions" : "2020-07-20-preview1, 2020-08-20-preview, 2021-03-07",
-      "X-Processing-Time" : "279ms",
-      "MS-CV" : "y0RQshIEZ0eA/g8YUeD8NA.0",
+      "X-Processing-Time" : "488ms",
+      "MS-CV" : "x/jt7fsoXESjpWKGCbETWA.0",
       "retry-after" : "0",
-      "X-Azure-Ref" : "0c35CYAAAAABHcM9dqJCESLz3NefWeYBnWVZSMzBFREdFMDQxNQA5ZmM3YjUxOS1hOGNjLTRmODktOTM1ZS1jOTE0OGFlMDllODE=",
-      "Content-Length" : "0",
-      "StatusCode" : "404",
-      "Date" : "Fri, 05 Mar 2021 18:54:42 GMT",
+      "X-Azure-Ref" : "0KyKDYAAAAADxdvccxwkeSrdhXYtsDPjNTEFYRURHRTEyMTEAOWZjN2I1MTktYThjYy00Zjg5LTkzNWUtYzkxNDhhZTA5ZTgx",
+      "StatusCode" : "401",
+      "Date" : "Fri, 23 Apr 2021 19:38:19 GMT",
       "Request-Context" : "appId="
     },
     "Exception" : null