AUTHENTICATION METHOD OF VoLTE

摘要

The present invention provides VoIP authentication in 4G VoLTE, and also provides an extra authentication method of VoLTE for achieving communication security. The key point of the extra authentication method of VoLTE is: when a 4G mobile phone is turned on for the first time, a security registration sequence number will be random generated by the 4G mobile phone, and sent with IMSI and IMEI through TLS to an account assignment server for comparison and storage. Thereafter the account assignment server sends an account and a password in a database corresponding to IMSI to the 4G mobile phone, and then the 4G mobile phone conducts VoIP authentication with a SIP server for standby or communication.

主权项

1. An authentication method of VoLTE, in a 4G mobile phone communication system, comprising:
a 4G mobile phone; a SIM card; an account assignment server; a database; a SIP server; wherein when the 4G mobile phone is turned on for the first time, a TLS connection is established between the 4G mobile phone and the account assignment server; the 4G mobile phone sends an IMSI of the SIM card and a random generated “security registration sequence number” to the account assignment server, then the account assignment server checks if the IMSI of the SIM card is equal to an IMSI stored in the database; if both are equal, then the “security registration sequence number” is stored in the database; thereafter the account assignment server sends an account number and a password in the database corresponding to the IMSI of the SIM card to the 4G mobile phone; after the 4G mobile phone receives the corresponding account number and password, closes the TLS connection, and then perform an authentication with the SIP server according to VoIP authentication procedures; If the authentication is confirmed, the 4G mobile phone is standby for communication.