SMS addon for WP BASE allows you to send SMS messages using Twilio service for confirmation, reminder, completion, cancellation notifications.
For each of the recipients, which can be client, provider and admin, a different message template can be used.
Almost any of the booking parameters, e.g. service name, date, time, location, client details, etc. can be used in SMS messages.
SMS addon is compatible with Multi Language addon: SMS messages can be configured and sent in language of the client.