| 摘要 |
In a data communication system a SMS data communication client operates in known fashion. An additional communication channel is established and data being entered into the client is transmitted to a central server. At the server end the user is identified in a customer database which also stored a profile of the user. Information from an ad database is selected for transmission back to the client in dependence upon the data and profile. Where the information takes the form of advertising, it may be displayed by the client as a truncated indicator during message entry and a fuller composition with active links after sending is completed.
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