SMS can be set up from your Chat Settings. This is an admin-only feature.
- Click on your initial in the bottom-left corner to access your account options and select Settings
2. Select Chat
3. Select Phone Number from the +New menu
4. Choose the type of number you'd like to add - either a toll-free or local number - and click Search to see your options
5. Select a number from the results based on your search parameters and click Purchase
Once you've made your purchase, be sure to assign your users to this new channel.