Yes, you can upgrade your server's specification at any time. You may also "add-on" additional hardware, software, and features to your server as required. 

Mass text messaging services are used by many companies these days. It is the best way to send the same message to a large number of groups at a given time such as promotional messages, important alerts, etc. Services like these enable companies to save on time, manpower, and money as the texts get sent at the same time.

SMS stands for short message service. Simply put, it is a method of communication that sends text between cell phones, or from a PC or handheld to a cell phone. The "short" part refers to the maximum size of the text messages: 160 characters (letters, numbers or symbols in the Latin alphabet).