Change in pysim[master]: Read USIM Service table from SIM

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fixeria gerrit-no-reply at lists.osmocom.org
Wed Jan 22 16:15:17 UTC 2020


fixeria has posted comments on this change. ( https://gerrit.osmocom.org/c/pysim/+/16943 )

Change subject: Read USIM Service table from SIM
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Patch Set 10:

> Patch Set 10:
>
> Thank you for the info. I have a small confusion here, I keep referring to ETSI TS 131 102, where the EF-UST (USIM service table) has the same Identifier: '6F38' as the EF-SST in 3GPP TS 51.011, could you please tell me which is the correct one to refer? (I assume it defers from card to car based on application present on it e.g. SIM only, SIM + USIM, SIM + USIM + ISIM)

Oh, that's a good question!

It turns out I was referring the old document, which is not being updated anymore. Sorry. As you have probably noticed, we usually reference 3GPP documents. The one you've mentioned (ETSI TS 131 102) is 3GPP TS 31.102 [1], and the recent (2020-01-08) version of Release 15 approved by ETSI is 15.8.0 [2].

In section 4.2.8 of that document I see 131 services total, and first 59 don't seem to match the services described in 3GPP TS 51.011 [3]. That's why they renamed the table! My best guess is that we should distinguish between SIM (2G/GSM) and USIM (3G/4G/5G), and use a proper table depending on the SIM type.

[1] https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1803
[2] https://www.etsi.org/deliver/etsi_ts/131100_131199/131102/15.08.00_60/ts_131102v150800p.pdf
[3] https://www.etsi.org/deliver/etsi_ts/151000_151099/151011/04.15.00_60/ts_151011v041500p.pdf


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Gerrit-Project: pysim
Gerrit-Branch: master
Gerrit-Change-Id: I9586f156dd43d724a73e989b4bac157d8eb8bc5d
Gerrit-Change-Number: 16943
Gerrit-PatchSet: 10
Gerrit-Owner: herlesupreeth <herlesupreeth at gmail.com>
Gerrit-Assignee: dexter <pmaier at sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: herlesupreeth <herlesupreeth at gmail.com>
Gerrit-Reviewer: laforge <laforge at osmocom.org>
Gerrit-CC: dexter <pmaier at sysmocom.de>
Gerrit-CC: fixeria <axilirator at gmail.com>
Gerrit-Comment-Date: Wed, 22 Jan 2020 16:15:17 +0000
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