Copy MI (Monthly Increment) - If you want to create a recurring monthly scheduled SMS, "Copy MI" will create an exact duplicate of that scheduled SMS, but with a send on date 1 month later.
To copy weekly increment, follow the steps given below.
Navigate to Messages >Send Bulk SMS.
The Send Messages page will be displayed.
Select View Group Scheduled Messages option from the Actions drop down list.
The Group Scheduled Messages page will be displayed.
Click Copy MI button in the row of the scheduled message to copy its monthly increment.
The message box informing you about the copying of the monthly increment of the selected scheduled message will be displayed.