Method for Managing Opaque Presence Indications Within a Presence Access Layer

摘要

A method for a presentity to provide private presence information for a watcher. The method includes the presentity providing the private presence information in an encrypted form. The method also includes a presence access layer obtaining the private presence information. The method also includes the presence access layer performing one of decrypting the private presence information and sending the decrypted private presence information to the watcher, and leaving the private presence information in the encrypted form and sending the encrypted private presence information to the watcher, wherein the watcher decrypts the private presence information.