Joke Collection Website - Public benefit messages - The principle of sending short messages online for free.
The principle of sending short messages online for free.
(1) Open an account and port for the mobile operator to send short messages to the short message gateway, and then send short messages to the short message gateway according to the short message protocol provided by them, but only the company can do this. (2) And if you send SMS to SP, SP and mobile operators have SMS access, and SP will forward it for you. The cost can be little or free, but the security and stability are poor.
As for how to make a profit,
More people send text messages and more people visit his website, so you can put advertisements on the website and ask advertisers to charge advertising fees.
Free SMS is like the publicity activities in general shopping malls, with emphasis on paving the way, such as KC2007 free SMS mode.
Although they send short messages for free, they also promote calling software.
And the calling software is charged.
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