>The length is incorrect in the second one (010706050415810000020104).
>The 020104 is not included in the length of the udh. Could it be that
>these three bytes is appended after the length is calculated?
>
>/Christian.
>

no thats not it. The DCS value is NOT part of the UDH, its part of a 
EMI/UCP XSer structure. so the above means:

XSer1 of 7 bytes being 06 05 04 15 81 00 00  thats the UDH header
XSer2 of 1 byte being 04 thats the DCS information


The question is why does it even have a DCS header?



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Andreas Fink
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