BizDiary provides a Bulk SMS feature that allows you to send an SMS to all your customers.
Combining the features of the Customer Search allows you to send an SMS to a selected group of Customers.
A great use of the Customer Appointment Review is that you can use the phone numbers as a source for sending a Bulk SMS.
If a customer replies to a Bulk SMS or contacts you asking to be unsubscribed, you are obliged under the SPAM Act to no longer send them messages.
You are responsible for any SMS messages you send, and you should make sure you understand your obligations. We strongly recommend that you read the ACMA's Business Guide to the SPAM Act, BEFORE you send SMS messages.