Extend information transmitting method
A technology for expanding information and sending methods, which is applied in digital transmission systems, data exchange networks, electrical components, etc., and can solve problems that do not involve processing solutions and cannot realize value-added services for operators.
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[0028] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0029] In the present invention, adopted session initiation protocol (SIP) / instant message and there is the instant message system utilizing extended session initiation protocol (SIMPLE), and basic train of thought is as follows:
[0030] 1. The client performs SIP registration;
[0031] 2. The client generates a SIP MESSAGE message;
[0032] 3. The client adds the required special extended information into the message body of the SIP MESSAGE, so that the SIP MESSAGE has two message bodies, one is the extended information, and the other is the message content that the user really needs to send;
[0033] 4. The client sends the final SIP MESSAGE message to the IM se...
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