| 摘要 |
<p>One preferred embodiment of the present invention provides a system and methods for relaying presence information of a first user (310) to a second user (320). Briefly described, a system architecture and among others include a first communications client of a first user (310) detects a change in the presence status of a first user and sends an alert message to a second communications client of a second user (320). Methods and other systems are also provided.</p> |
