To schedule a message to be sent at your chosen date and time, do the following:
Within the ‘Send SMS’ window, follow the normal procedure of completing your message and selecting recipients. Instead of hitting 'send' straight away, click on ‘scheduled send’. Choose the required date and time and then click ‘OK’.
The scheduled message will now appear in your Outbox within Message Control under ‘scheduled items’. They will be visible up until the scheduled time for sending.