You can send SMS messages to your customers based on the shipment status & delivery status and use in your message variables such as Shipment Status and Est. Delivery Date.
TrackShip for WooCommerce integrates your WooCommerce store with following SMS API service providers:
You can send automatic SMS notifications to your customers with shipping & Delivery updates,
Please note: if you need more advanced SMS features on your WooCommerce store, you can use the SMS for WooCommerce (SMSWOO) plugin which is fully compatible with TrackShip.