To view a log of sms messages sent and recieved go to Menu - Admin - SMS Log.
Search Filter Type a name or phone number to search for related messages for the selected client.
Time Limit Use the dropdown menu to choose a date to only show messages received within the allotted time limit.
The the total number of texts sent for the messages selected can be viewed at the bottom of the screen.
This figure gives the total number of texts sent not the number of clients who received text.