In addition to email campaigns, you can add SMS campaigns in your automation series.
You will see an option to Add SMS
You will be able to add:
- Step (campaign) title
- SMS Sender ID
- SMS Message Text
- Custom field (merge tags and surveys)
- Tracking link
You will be able to configure:
- Message settings (Split SMS, Google Analytics, Unicode SMS)
- Sending Preferences (Sending on particular days/times, using receiver's time zone)
After you have set up the SMS step (campaign), you can arrange it as regular automation series.