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Configure a Blockout Window for SMS and WhatsApp in Unified Messaging
To increase the chances that your messages are well-received by your customers, set a blockout window for when not to send SMS and WhatsApp messages.
| Available in: Lightning Experience |
| Salesforce Enterprise and Unlimited Editions for Service Cloud AND Enterprise and Unlimited Editions with Marketing Cloud Next Growth and Advanced Editions |
| Not supported in Government Cloud Plus |
WhatsApp blockout windows can only be created if there is at least one WhatsApp Number added with an active Customer Conversation Engagement capability.
- In Setup, in the Quick Find box, enter Unified Messaging.
- Under Settings, search for Blockout Window.
- Click Add New on the list view page.
- Select the Channel.
- Select the Subscription Type.
- Configure the blockout window start and end times and time zone.
- Save your work.
To edit an existing blockout window, select Edit in the dropdown list next to the blockout window you want to modify.

