| 摘要 |
A call authentication method, device and system are disclosed. The method includes: an MME receiving an emergency call request message carrying an access network identity sent by a user terminal, and carrying the access network identity into a query request to send to an HSS; the MME receiving a query result carrying verification information and first authentication data returned by the HSS; the MME receiving second authentication data sent by the user terminal; and the MME comparing the first authentication data and the second authentication data, and when a comparison result is that the first authentication data and the second authentication data are identical, determining that an authentication is passed, and allowing the user terminal to access a communication network. In the embodiments of the present invention, an illegal user terminal is prevented from maliciously using the communication network by means of emergency call, thereby improving the security of the emergency call and guaranteeing the security of application of the communication network. |
