| 摘要 |
A system for presenting telephone state information includes a presence server 10; a presence client end 20 and a presence contact end 30 which are respectively connected with the presence server 10 and communicate with each other through the presence server 10; a user telephone line monitoring device 40, used for monitoring the state of the user telephone line 50, and sending the monitored state to the presence client end 20. Wherein, the presence contact end 30 is used for displaying presence information of a corresponding telephone state of the presence client end 20 it subscribed. The present invention also provides a method for presenting telephone state information. Through the invention, a client can inform his/her telephone state information to the contacts in time. The system and method do not depend on special telephone switch, and have a low cost, can be used in any area. |
