Can the smart campus not open SMS notification?

According to the query, the cloud shows that without SMS, the smart campus can't receive the news from the school in time, so without SMS, the smart campus can't notify.

Smart campus is an intelligent campus, and it also refers to the construction of campus according to intelligent standards. In the national standard GB/T36342 "Overall Framework of Smart Campus", the standard definition of smart campus is: the organic connection between physical space and information space, so that anyone can access resources and services conveniently at any time and any place.