Change in osmo-msc[master]: libmsc/gsm_09_11.c: forward SS/USSD messages to HLR over GSUP

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Harald Welte gerrit-no-reply at lists.osmocom.org
Mon Jul 30 15:35:16 UTC 2018


Harald Welte has uploaded a new patch set (#10) to the change originally created by Vadim Yanitskiy. ( https://gerrit.osmocom.org/9658 )

Change subject: libmsc/gsm_09_11.c: forward SS/USSD messages to HLR over GSUP
......................................................................

libmsc/gsm_09_11.c: forward SS/USSD messages to HLR over GSUP

In order to be able to support external SS/USSD gateway, we should
not terminate the GSM 04.80 messages at OsmoMSC. Instead, we need
to follow the GSM TS 09.11 specification, and forward all messages
unhandled by OsmoMSC to OsmoHLR over GSUP protocol.

This change implements forwarding of MO SS/USSD messages. The
forwarding assumes transcoding between GSM 04.80 messages and
GSUP messages. The payload of Facility IE is carried 'as is'.

As a side-effect, this will disable the osmo-msc internal handler
implementing the "*#100#" for obtaining the subscribers own phone
number.  In order to re-gain this functionality, you will need a
modern osmo-hlr (Change-Id I1d09fab810a6bb9ab02904de72dbc9e8a414f9f9)
and the following line in your osmo-hlr.cfg:
 hlr
  ussd route prefix *#100# internal own-msisdn

TTCN-3 test case: I01de73aced6057328a121577a5a83bc2615fb2d4
Change-Id: Ide5f7e350b537db80cd8326fc59c8bf2e01cb68c
---
M include/osmocom/msc/gsm_09_11.h
M src/libmsc/gsm_04_08.c
M src/libmsc/gsm_09_11.c
M tests/msc_vlr/msc_vlr_test_ss.c
M tests/msc_vlr/msc_vlr_test_ss.err
5 files changed, 225 insertions(+), 63 deletions(-)


  git pull ssh://gerrit.osmocom.org:29418/osmo-msc refs/changes/58/9658/10
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Gerrit-Project: osmo-msc
Gerrit-Branch: master
Gerrit-MessageType: newpatchset
Gerrit-Change-Id: Ide5f7e350b537db80cd8326fc59c8bf2e01cb68c
Gerrit-Change-Number: 9658
Gerrit-PatchSet: 10
Gerrit-Owner: Vadim Yanitskiy <axilirator at gmail.com>
Gerrit-Reviewer: Alexander Chemeris <Alexander.Chemeris at gmail.com>
Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org>
Gerrit-Reviewer: Jenkins Builder
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