I would personally implement the api myself, depending on the service provider you use for SMS. But if you have a look at this plugin, I think you can achieve what you are looking for.
https://wordpress.org/plugins/wp-twilio-core/
I would personally implement the api myself, depending on the service provider you use for SMS. But if you have a look at this plugin, I think you can achieve what you are looking for.
https://wordpress.org/plugins/wp-twilio-core/