| 摘要 |
A terminal (eg. computer, mobile phone, etc.) receives a message S11. The header/metadata and content/payload are examined (eg. using header flags, payload strings or semantically) and assigned to a type/category S12 where possible. The message type is used to call a handler program S14/S18, which may need to be downloaded S15-S17 subject to security checks. The handler program may extract data from the original message or a database, use GPS location data and/or present a user interface (Figs. 5a/b) for collecting user input when preparing the response message S19, which is then transmitted S20. Where a message cannot be classified or where a handler cannot be securely downloaded, the incoming message is processed normally S13. The invention may used with SMS, IM/chat or social networking website updates.
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