On Thu, Nov 08, 2018 at 05:50:15PM +0100, Max wrote: > Hi. > > I've noticed that we don't have any code (besides basic definition) for > handover request message (BSS_MAP_MSG_HANDOVER_RQST) from 48.008 3.2.1.8 in > libosmocore or osmo-*sc. > > Is it because it's in some patch hanging somewhere in gerrit or we don't > need it (yet)?
We have a BSSMAP Handover *Required*, which is what osmo-bsc sends to the MSC to initiate inter-BSC handover. The MSC then composes the Handover Request message sent to the new BSC, and since osmo-msc doesn't support inter-BSC ho yet (I will soon implement it), we indeed have no encoding or use of that message in Osmocom yet. See https://www.eventhelix.com/RealtimeMantra/Telecom/GSM_Handover_Call_Flow.pdf When testing osmo-bsc, I relied on a third-party MSC to send this message. Also ttcn3-bsc-tests encode it when emulating the MSC part of inter-BSC handover, but that's from ttcn3, not from libosmocore. I'm curious, why would you need this message? You're not writing the MSC part of inter-BSC HO, are you? ~N
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