Send as SMS dln#password#group_title#phone_numbers to 08134443999.
dln = The code needed by the SMS Server to process this request.
password = Your SmartSMSSolutions account password
group_title = The name of the phone book group from which you will like to delete the phone numbers
phone_numbers = The phone numbers you wish to delete separated by commas
This can very useful if some phone numbers in your group are no longer valid or no longer belong to the group.
This will delete phone numbers from the specified phone book group. You will be notified of the result by SMS a few seconds later.