However, it seems particularly appropriate for:
Automotive : the range of SMS is wide and concerns both the marketing aspect (launch of a new vehicle, invitation to private sales, financing offer, used vehicles) and customer relations (vehicle availability, service reminder, after-sales service monitoring)
Retail/local businesses : extremely fond of SMS campaigns to how to build phone number list transmit their commercial offers, and reactivate the customer during very specific periods (Mother's Day, Father's Day, sales, Black Friday), communication of loyalty card balances, etc.
E-commerce: order tracking, delivery notification, offer with promo code...
The optics : inform about the availability of a product, send a promotional offer based on knowledge of the customer's needs, confirm an appointment...
Tourism: travel agency (delays or cancellations, possibility of upgrades), hotels
(check-in time, wifi code transmission)
The public sector: schools, colleges and high schools (absences and other information for parents), town halls and communities (alerts for users).
Health : notifications of prescription renewals or availability of products in pharmacies, confirmations of appointments in offices.
Industry : confirmation of manufacturing orders, deliveries, etc.

Give us some concrete cases of using SMS in business?
SMS is about transmitting “the right information, at the right time!” Therefore, a company that has a segmented CRM base can use it to:
Remind appointments: automate reminders
A text message sent a few days before, or even the day before, can drastically reduce the rate of absence (or “no shows”) at appointments.
At the same time, this is beneficial for the efficiency of your team, which no longer needs to spend time on follow-ups and can use this resource to be closer to customers.
More appointments made means less energy spent on organization and more time spent on key and profitable tasks for your business!
Send attractive offers to generate online/offline traffic
In order to generate in-store traffic and/or increase the average basket by attracting the customer with an interesting and targeted one-off offer.