Do the following steps:
1- Click on Favorites link at the left menu, click File Manager
2- You have to have a .txt file with all your numbers
3- In file manager page click on choose file, then select your file from your local pc, and click on the upload button
4- Your file will be uploaded and you can edit it at the File Manager page and can be used at send Bulk SMS page to send bulk messages
Note: Your .txt file mustn't have anything besides phone numbers (No Names), and not more than 20,000 numbers are allowed per .txt file. Group numbers with country codes must be written in this format for example:
601111111111
601111111111
601111111111
601111111111
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