CQT test is just the general name of a test method and the abbreviation of call quality test. It originally refers to the dial-up quality test, and now it also refers to the performance test of mobile communication wireless data network at a fixed location, which corresponds to DT test.

General CQT of speech needs to pay attention to Rxlev (signal strength), Rx_Qual (signal quality), C/I (interference value), FER (frame error rate) and so on.