Mobile number to telecom is a number portability network, and it doesn't need any fees. According to the "Overall Situation of Charges for Port Number Transfer Service", the port number transfer service has been running smoothly since its trial operation on 2019165438+1October 27th, with smooth network transfer process and good integration with various industry systems. The user number binding relationship is transferred normally, and services such as SMS, MMS and voice phone can be accessed, which affects the service quality perception of other operators after the portability is transferred to the network.