Security Features407Security FeaturesThis chapter provides information for configuring security features of the phone.TopicsUser and Administrator IdentificationAuto Logout TimePhone LockTransport Layer Security (TLS)Secure Real-Time Transport Protocol (SRTP)Encrypting and Decrypting FilesIncoming Signaling ValidationUser and Administrator IdentificationBy default, some menu options are protected by privilege levels: user and administrator, each with itsown password. You can also customize the access permission for configurations on the web userinterface and phone/handset user interface. Yealink IP phones support access levels of admin, var anduser.When logging into the web user interface or access advanced settings on the phone, as an administrator,you need administrator password to access various menu options. The default username and passwordfor administrator is “admin”. Both you and the user can log into the web user interface, and you will seeall of the user options. The default username and password for user is “user”.For security reasons, you should change the default user or administrator password as soon as possible.Since advanced menu options are strictly used by administrator, users can configure them only if theyhave administrator privileges.TopicsUser and Administrator Identification ConfigurationUser Access Level ConfigurationUser and Administrator Identification ConfigurationThe following table lists the parameters you can use to configure the user and administratoridentification.Parameter static.security.user_name.user .cfg
