COMMUNICATION METHOD, AND APPARATUS

The present application provides a communication method and an apparatus, which are applied to the technical field of communications. The communication method provided in the present application comprises: a first cell receiving a registration request message from a terminal device, and sending to the terminal device a plaintext ID query message, the plaintext ID query message being used for requesting authentication of the identity information of the terminal device; in response to the plaintext ID query message, the terminal device sending to the first cell the identity information of the terminal device; the first cell receiving the identity information and, according to the identity information, sending to the terminal device a registration rejection message and an RRC RELEASE message, a rejection cause value carried by the registration rejection message being a first rejection cause value; and, when the RRC RELEASE message involves redirecting to a low-radio access technology cell, executing a disabling