1 and Telecom 177 are new number resources launched by China Telecom, which are mainly used to support the Internet of Things and NBIoT services. These services include smart home, logistics tracking, in-vehicle systems, smart meters, wireless sensor networks and other applications. They are new conventional numbers with excellent performance and will be applied in more and more Internet of Things and NBIoT devices and services in the future.

2. The electric signal segment 177 is specially designed for the Internet of Things and NBIoT equipment, which can provide more comprehensive and safer communication services, with the characteristics of lower power consumption, higher network coverage, more connections and stronger signal penetration, and meets the requirements of the Internet of Things and NBIoT technology.