Can I Install SMS Sending Script
Yes, you can install any kind of script whether it is open source or bought by you. You can install SMS sending script on the shared servers. All the servers are preconfigured for optimum performance with the enhance security. If any of the script you want to install requires root privileges or requires any kind of modification of the server configurations then we will suggest you go for VPS server. It will provide you the total control for the server configurations as per your requirement.
However, please note that you will need to take care of the issues arise by any third party scripts, we do not provide any support for installation or debugging of the third party scripts officially.