| 摘要 |
In a technique for reducing duplicate messages in a two way data device, a determination (30) is made as to whether a first signature of a new message is the same as a second signature of a matching message. An error check is performed (50) on the new message when the first and second signatures are the same. A first response flag of the new message and a second response flag of the matching message are compared (40) when the first and second signatures are not the same. When the first and second response flags are both enabled, the new message is stored (20). Otherwise the error check is performed (50) on the new message. Select portions of the new message and matching message are stored (70, 80, 100, 110) in place of the matching message, depending on the comparison of the first and second response flags and the error check.
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