| 摘要 |
A method for implementing notification using a block message is applied to SIP/SIMPLE instant messaging system, and the method includes that: new users join into an active instant messaging system; the server obtains the users' block list, and judges the block relationship between the new users and the existed users, the server transmits a message that the blocked users join into the instant messaging system to the existed users, or transmits a message that the blocked users exist in the instant messaging system to the new users. Using the method in the present invention, the client of the SIP/SIMPLE instant messaging system can obtain the relationship that users blocked each other in the instant messaging system, and the instant messaging system is improved.
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