You say it is call centre type work,, yet you also say it is a college.
At this time of the year it is expected that colleges will be making and receiving more calls, offering places to prospective studentsa and dealing with those considring applying.
Come results day there will be more calls - students who have not got the grades they expected or need will be panicking and contacting the college about their applications.
Ask the other staff if what you are doing is the norm or what else the job involves.