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how to find 3GPP spec version that Wireshark compliant?

For each release, wireshark has more support for all protocols.
Where and how to get the 3GPP protocol version that a Wireshark version support? Please enlighten me.

yini's avatar
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yini
asked 2021-01-27 20:19:03 +0000
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Unfortunately you will have to look in the sources to find out and for the hand written disectors that information may not be totally accurat. But the master branch should decode most of the current 3GPP spec for the more common protocols as Wireshark is used to verify products using those protocols. So if you are using a 5 year old Wireshark it would probably support specs from that year.

Anders's avatar
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Anders
answered 2021-01-28 07:47:31 +0000
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thanks for your reply. Sorry I don't know how to look into the sources. Is it safe that to assume that current version 3.4.2 support 3GPP release version from 2020 or 2019?

yini's avatar yini (2021-01-28 13:38:49 +0000) edit
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As an example 3GPP TS 38.413 V16.3.0 (2020-09)
https://gitlab.com/wireshark/wireshark/-/blob/v3.4.0/epan/dissectors/asn1/ngap/NGAP-CommonDataTypes.asn
Anders's avatar Anders (2021-01-28 13:47:52 +0000) edit
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If you use the GitLab search function to look at the repository you can see some useful info. Eg. with this search you can see all files that have "3GPP" and "TS" in them and then the git tag selector (by default showing "master") can be used to select different release tags (e.g. v3.4.2) to see what the code was for that version of Wireshark.

grahamb's avatar grahamb (2021-01-28 14:28:34 +0000) edit
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Hi Anders, Grahamb,
thank you so much! That gave me the right place I have been looking for. Appreciate your help!

yini's avatar yini (2021-01-28 16:13:42 +0000) edit
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