With the development in intelligence operations, a single type of call trigger an increase in intelligence operations, including pre-paid calling, transfer machines do not change the number, called One-pass, with the vibration, Ring, and other businesses. 随着智能业务的发展,单个呼叫触发的智能业务种类增多,包括主叫预付费、移机不改号、被叫一号通、同振、悦铃等多个业务。