Glossary

SMS Customer Support

A support channel that uses two-way SMS text messaging to handle inbound customer questions and send proactive notifications such as shipping updates and delivery alerts.

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What it means

Key insight

SMS has a 98% open rate — far higher than email — making it the most reliable channel for time-sensitive messages like delivery exceptions or restock alerts.

SMS customer support works through an SMS gateway or CPaaS (communications platform as a service) provider — such as Twilio, Postscript, or Attentive — that gives a business a dedicated phone number capable of sending and receiving text messages programmatically. Inbound SMS support handles questions customers text in: order status requests, return initiations, product questions. An AI agent can parse these messages and respond automatically, pulling order data from the OMS. Outbound SMS handles proactive notifications: shipping confirmation, out-for-delivery alerts, delivery confirmation, and post-purchase follow-ups. For ecommerce, the highest-value SMS support use case is proactive shipping exception alerts — notifying a customer before they have to reach out about a delay dramatically reduces inbound ticket volume and improves CSAT. SMS support requires explicit opt-in consent from customers and compliance with TCPA regulations in the US, meaning customers must agree to receive texts before the business can contact them.

Why it matters

Customers often miss email notifications but almost always see a text. SMS-based order updates and exception alerts reduce the single largest category of ecommerce support tickets — 'where is my order' — by getting ahead of customer anxiety before it turns into a contact event.

How Bookbag helps

Inbound SMS AI agent

Bookbag receives inbound SMS messages from customers, routes them through the AI agent for automatic resolution, and escalates to the omnichannel inbox if a human is needed.

Proactive shipping SMS

Bookbag triggers SMS notifications at key Shopify order events — fulfillment, out for delivery, delivered, and exception — keeping customers informed without human effort.

Two-way SMS history in the inbox

All SMS exchanges appear in Bookbag's unified inbox alongside chat and email threads, so agents always have the full customer communication history in one place.

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Guides & benchmarks

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Frequently Asked Questions

Yes. US regulations (TCPA) and carrier policies require explicit opt-in before sending marketing or proactive texts. Transactional messages — like an order confirmation that the customer triggered — have more lenient rules, but you should have a consent mechanism in place before using SMS for support outreach.

SMS marketing sends promotional messages to a subscriber list to drive purchases. SMS support handles inbound customer questions and sends transactional notifications tied to orders. Both use the same channel but serve different goals and often use different tools.

Yes. When a customer texts asking about their order, Bookbag's AI identifies the request, looks up the order in Shopify, and replies with current tracking status — all automatically.

See Bookbag in action

Join the ecommerce teams resolving more tickets, answering 24/7, and turning support into a revenue channel with Bookbag.