openbsc.git branch master updated. 0.15.0-507-g0c566a4

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gitosis at osmocom.org gitosis at osmocom.org
Wed Nov 2 09:21:11 UTC 2016


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the project "The OpenBSC GSM Base Station Controller (+MSC/HLR/SGSN)".

The branch, master has been updated
       via  0c566a444b1cb479dce58df091d2ad5e32d21da0 (commit)
      from  5e5d94cd1b81e3ac0cd9b4423567d56394f15fac (commit)

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http://cgit.osmocom.org/openbsc/commit/?id=0c566a444b1cb479dce58df091d2ad5e32d21da0

commit 0c566a444b1cb479dce58df091d2ad5e32d21da0
Author: Harald Welte <laforge at gnumonks.org>
Date:   Sat Oct 29 22:23:19 2016 +0200

    mncc_builtin: Properly reject DTMF
    
    As per TS 23.014, a GSM MSC must implement mobile-originated DTMF
    generation.  We gate the DTMF signalling messages to MNCC, and expect
    the external MNCC handler to deal with it.  However, the internal MNCC
    handler simply ignored such singalling messages, rather than rejecting
    DTMF altogether.
    
    It turns out failure to respond to START DTMF will cause some phones to
    behave in interesting ways, particularly with modem
    firmware v6.01.00, see https://osmocom.org/issues/1817).  In this case
    the phone is not able to release the call as the pending response to the
    START DTMF is probably keping a reference or lock of some sort.
    
    Change-Id: I336f0cd0a6396b522d228479a417fd4d606157ac

-----------------------------------------------------------------------

Summary of changes:
 openbsc/src/libmsc/mncc_builtin.c | 2 ++
 1 file changed, 2 insertions(+)


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