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Bug #3188
closedOsmoBTS sends RSL RLL_EST_IND with transparent=true (spec violation)
Start date:
04/19/2018
Due date:
% Done:
100%
Spec Reference:
Description
3GPP TS 48.058 Section 8.1 states:
In the uplink direction (messages from MS), all messages received in I- frames and all messages received in UI-frames except for the MEASurement REPort message are considered as transparent. They are forwarded to BSC as DATA INDication and UNIT DATA INDication messages respectively.
So an ESTABLISH INDICATION is clearly not covered by the above and hence non-transparent. Still, OsmoBTS is sending it as "transparent".
This was found (once again) by our TTCN-3 tests, as there the receive template for RLL_EST_IND matches only when the transparent bit is set correctly.
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