openbsc.git branch neels/cscn updated. 0.15.0-143-ga28f638

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Tue Jan 5 14:02:00 UTC 2016

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The branch, neels/cscn has been updated
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commit a28f6380b4dbb9142fb5587a27be97c2bef79a16
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Tue Jan 5 14:45:53 2016 +0100

    Add osmo-cscn, as a copy of osmo-nitb.
    CSCN means "Circuit Switched Core Network" (-in-the-box) and will become a
    NITB-without-BSC, so that it talks Iu-cs to the HNBGW and talks 'A' to an
    external BSC.
    Copying NITB is debatable: on the one hand, we've agreed on the name Osmo-CSCN
    for the end result (without internal BSC). On the other hand, I will probably
    add Iu-cs into the NITB code incrementally, in such a way that theoretically,
    both Iu-cs and the internal BSC functionality could be used at the same time.
    So Osmo-CSCN will be a NITB plus Iu-cs for a while. Instead of adding to NITB,
    I prefer to work on a copy, so that the original NITB remains more or less
    Only a later step will clearly distinguish CSCN from NITB: when the BSC part is
    split off for the benefit of a proper A-interface, and CSCN talks to an
    external BSC.

commit 0e3fcbdb57f794071dab82d9b37902adeef391e7
Author: Neels Hofmeyr <nhofmeyr at>
Date:   Sat Dec 26 03:02:20 2015 +0100

    doc: add call graphs from MSC to BSC or HNB-GW (wip)


Summary of changes:
 openbsc/                               |   1 +
 openbsc/doc/call-graphs-MSC-BSC-HNBGW.txt          | 148 ++++++++++++++++++---
 openbsc/src/                            |   2 +-
 openbsc/src/libmsc/gsm_04_08.c                     |  40 ++----
 openbsc/src/libmsc/gsm_04_11.c                     |   6 +-
 openbsc/src/libmsc/osmo_msc.c                      |   2 +-
 openbsc/src/{osmo-nitb => osmo-cscn}/   |   6 +-
 .../bsc_hack.c => osmo-cscn/cscn_main.c}           |   0
 8 files changed, 152 insertions(+), 53 deletions(-)
 copy openbsc/src/{osmo-nitb => osmo-cscn}/ (89%)
 copy openbsc/src/{osmo-nitb/bsc_hack.c => osmo-cscn/cscn_main.c} (100%)

The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)

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