After composing an SMS and sending it, the system does not automatically send. They are stored in the Queued list for a maximum of 5 minutes through which a member might opt to delete it.
Go to Messaging>SMSes>Queued SMSes

After composing an SMS and sending it, the system does not automatically send. They are stored in the Queued list for a maximum of 5 minutes through which a member might opt to delete it.
Go to Messaging>SMSes>Queued SMSes