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2019-02-01GSUP: message category indicated by last two bitsOliver Smith1-0/+13
Make this part of the specification, so we can simplify libosmocore code by knowing that error message is (request message | 0x000001). Related: I46d9f2327791978710e2f90b4d28a3761d723d8f (libosmocore) Change-Id: Iec1b4ce4b7d8eb157406f006e1c4241e8fba2cd6
2018-12-21chapters/gsup.adoc: document CHECK-IMEIOliver Smith1-0/+79
Related Change-Id: (core) I085819df0ea7f3bfeb0cabebb5fd1942a23c6155 Related: OS#3733 Change-Id: I51dd09cda3c595f1d252546285ced9f06c748617
2018-12-21chapters/gsup.adoc: explain msg format columnsOliver Smith1-0/+4
Explain the M, O, C and V, TLV letters in the presence and format columns. Change-Id: Idf8614d4d0f462174426fd3afdb34bedfb859951
2018-12-18chapters/gsup.adoc: document READY-FOR-SM messageVadim Yanitskiy1-0/+73
Change-Id: I549b6c8840a1e86caac09e77fb8bc5042d939e62 Related Change-Id: (core) Ic37f3b2114b8095cfce22977e67133b9103942e3 Related Change-Id: (TTCN) If2256607527ecfcb10285583332fb8b0515d7c78 Related: OS#3587
2018-12-18chapters/gsup.adoc: document MO-/MT-forwardSM messagesVadim Yanitskiy1-0/+213
Change-Id: Ie0150756c33c1352bc4eb49421824542c711175c Related Change-Id: (core) Ibe325c64ae2d6c626b232533bb4cbc65fc2b5d71 Related Change-Id: (TTCN) Ibf49474a81235096c032ea21f217170f523bd94e Related: OS#3587
2018-12-03chapters/gsup.adoc: fix direction for SS messagesVadim Yanitskiy1-2/+2
Most likely, this was a copy-paste error. SGSN is not involved in Supplemeptary Services handling, they are pure CS data. Moreover, HLR is not the only entity that can initiate both Process Supplementary Service Error and Response messages, there is also EUSE (External USSD handling Entity). Change-Id: I46ad7311747f2b392244c49d3df1e152e6f1bfe3
2018-06-17common/gsup.adoc: document Supplementary Services extensionVadim Yanitskiy1-0/+95
A while ago, we have introduced some new message types and IEs, related to TCAP-like transaction management and Supplementary Services. Let's document this extension. Change-Id: Ib1331246097db736d98baf1a162574cadca9ee36
2018-01-26GSUP: Change wording to cover both SGSN and MSC/VLRHarald Welte1-48/+48
Change-Id: I4b473e324e9314f4e9356a8bae6fbb48dbaaf58c
2018-01-26share chapters/gsup.adoc from OsmoSGSN to OsmoMSC + OsmoHLRHarald Welte1-0/+859
Since the NITB split, GSUP is used in all three network elements, so make the protocol a shared chapter Change-Id: Id2d7c27ef16eb0ebe5f60d625a1fcf42f1603f4f
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