Merge branch 'retire' of https://github.com/ecfan/azure-docs-pr into retire

Author: ecfan

articles/communication-services/quickstarts/email/includes/add-multiple-senders-net.md

@@ -29,13 +29,11 @@ dotnet add package Azure.ResourceManager.Communication
 Set the environment variable `AZURE_SUBSCRIPTION_ID` with the subscription ID of the subscription your Domain and Email resources are in. Run the code sample to initialize the management client.
 
 ```csharp
-using System;
-using System.Threading.Tasks;
 using Azure.Core;
 using Azure.Identity;
 using Azure.ResourceManager;
-using Azure.ResourceManager.Compute;
-using Azure.ResourceManager.Resources;
+using Azure.ResourceManager.Communication;
+using Azure;
 
 ArmClient client = new ArmClient(new DefaultAzureCredential());
 ```

articles/communication-services/quickstarts/email/includes/connect-domain-net.md

@@ -37,6 +37,8 @@ using Azure.Identity;
 using Azure.ResourceManager;
 using Azure.ResourceManager.Compute;
 using Azure.ResourceManager.Resources;
+using Azure.ResourceManager.Communication;
+using Azure.ResourceManager.Communication.Models;
 
 ArmClient client = new ArmClient(new DefaultAzureCredential());
 ```

articles/communication-services/quickstarts/sms/apply-for-toll-free-verification.md

@@ -58,7 +58,7 @@ This section requires you to provide information about your company and point of
 
 This section requires you to provide description of the SMS campaign, opt-in method (how you plan to get consent from the customer to receive SMS), and screenshots of the selected opt-in method.  
 
-:::image type="content" source="./media/apply-for-toll-free-verification/regulatory-screen-4.png" alt-text="Screenshot showing Program content section." lightbox="./media/apply-for-toll-free-verification/regulatory-screen-4.png":::
+:::image type="content" source="./media/apply-for-toll-free-verification/tfv-program-content-new.png" alt-text="Screenshot showing Program content section." lightbox="./media/apply-for-toll-free-verification/tfv-program-content-new.png":::
 
 ### Volume details
 
@@ -91,4 +91,4 @@ This program brief is automatically sent to the toll-free messaging aggregator f
 ## Related articles
 
 - Familiarize yourself with the [SMS SDK](../../concepts/sms/sdk-features.md)
-- Familiarize yourself with the [SMS FAQ](../../concepts/sms/sms-faq.md)
+- Familiarize yourself with the [SMS FAQ](../../concepts/sms/sms-faq.md)