Change in osmo-bsc[master]: Implement CSFB "Fast Return" Handling at RR RELEASE

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Harald Welte gerrit-no-reply at lists.osmocom.org
Mon Feb 4 11:38:45 UTC 2019


Hello Jenkins Builder, 

I'd like you to reexamine a change. Please visit

    https://gerrit.osmocom.org/12788

to look at the new patch set (#4).

Change subject: Implement CSFB "Fast Return" Handling at RR RELEASE
......................................................................

Implement CSFB "Fast Return" Handling at RR RELEASE

When the MSC sends a BSSMAP CLEAR CMD containing a CSFB Indication IE,
it lets us know that the to-be-released connection related to a CSFB
call.

We as the BSC then subsequently should include the "Cell Selection
Indocator after release of all TCH and SDCCH" IE in the RR RELEASE
message sent to the MS/UE.  This IE contains the LTE neighbor cells
that we're configured to broadcast in si2quater.

That in turn will make sure the MS/UE can return very quickly to
the LTE cell.

Closes: OS#3777
Change-Id: Ibfbb87e2e16b05032ad1cb91c11fad1b2f76d755
Requires: libosmocore Id4bd7f7543f5b0f4f6f876e283bd065039c37646
Requires: libosmocore I0e101af316438b56d63d43fc2cb16d7caf563d07
Requires: libosmocore I8980a6b6d1973b67a2d9ad411c878d956fb428d1
---
M include/osmocom/bsc/gsm_data.h
M src/osmo-bsc/bsc_subscr_conn_fsm.c
M src/osmo-bsc/gsm_04_08_rr.c
M src/osmo-bsc/osmo_bsc_bssap.c
4 files changed, 89 insertions(+), 1 deletion(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/88/12788/4
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Gerrit-Project: osmo-bsc
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ibfbb87e2e16b05032ad1cb91c11fad1b2f76d755
Gerrit-Change-Number: 12788
Gerrit-PatchSet: 4
Gerrit-Owner: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
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