Open the ‘Send SMS to driver’ menu: https://abax.cloud/central/send-multi-sms/ or find it from ‘Triplog > Send SMS to driver’.
Listed are all drivers but you can only send an SMS to those with a mobile number connected to their driver profile.
Select from the list who you would like to send the SMS to, you can choose one or all.
Click ‘message’, write your message and then click ‘send sms’.