To be able to send appointment reminders and marketing campaigns to your clients, you need to have enough sms credits.
1. To see how many credits you have left, select 'SMS' from the main menu of the home screen.
2. At the top of the SMS screen under 'Buy SMS credits', it will tell you how many credits you have remaining.
Recharge
1. To recharge credits, select 'SMS' from the main menu of the home screen.
2. Select the card you will be using from the drop down box (you can add a new card by clicking the 'add card' button above).
3. Select how many credits you would like to purchase, then click 'Buy Recharge'.
4. Your new SMS credits will now be added to your account.