openbsc.git branch jerlbeck/wip/gprs-patching updated. 0.13.0-816-g9fb4588

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Mon Dec 22 17:08:33 UTC 2014

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commit 9fb4588727df8284b71ebc14946f024daefb1652
Author: Jacob Erlbeck <jerlbeck at>
Date:   Mon Dec 22 17:58:18 2014 +0100

    sgsn: Be more tolerant with state and SUSPEND/RESUME
    Currently, when a BSSGP SUSPEND is received and the corresponding MM
    context is already in the state GMM_REGISTERED_SUSPENDED, a
    SUSPEND_NACK is returned which is not covered by GSM 08.18, 7.4.1.
    The same goes for RESUME in the state GMM_REGISTERED_NORMAL.
    This commit changes gprs_gmm_rx_suspend and gprs_gmm_rx_resume to not
    complain (and thus answer a NACK) when the MM context is either in
    Note that GSM 08.18, 7.4.1 and 7.5.1 only mention to send an NACK if
    the MS is not known. Even with this patch, the SGSN returns a NACK if
    either the MS is unknown _or_ the MM context ist not in one of the
    Sponsored-by: On-Waves ehf


Summary of changes:
 openbsc/src/gprs/gprs_gmm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

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

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