e/Class 5 telephone switch

Information
has gloss	eng: A Class 5 telephone switch is a telephone switch or telephone exchange in the Public Switched Telephone Network located at the local telephone company's central office, directly serving subscribers. Class 5 switch services include basic dial-tone, calling features, and additional digital and data services to subscribers using the local loop. Class 5 switches were slower to convert from circuit switching technologies to time division multiplexing than the other switch classes.
lexicalization	eng: Class 5 telephone switch
instance of	(noun) a workplace that serves as a telecommunications facility where lines from telephones can be connected together to permit communication central, telephone exchange, exchange