Patch Set 1:

(1 comment)
File src/libmsc/gsm_04_08.c:

Line 3683:              return GSM48_REJECT_PROTOCOL_ERROR;
> remember, this is the cause value as sent back to the MS.
yeah, I tried to make sense of 24.008 annex G but it's quite open for 

>From the fact that the MS sending a wrong SRES leads to Illegal MS, I thought 
>that sending A5 capabilites not compatible with the network might also qualify 
>as Illegal MS; as in, something about your crypto is wrong, you're illegal ... 

Then I thought, the MS contacting with the wrong protocol (RAN) would be a 
Protocol Error; that's highly unlikely to happen anyway and actually you're 
right that Network Failure is a better fit here.

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Gerrit-MessageType: comment
Gerrit-Change-Id: I4db77fea1a4bcd161218582126a5d83ca171f7cb
Gerrit-PatchSet: 1
Gerrit-Project: osmo-msc
Gerrit-Branch: master
Gerrit-Owner: Neels Hofmeyr <>
Gerrit-Reviewer: Harald Welte <>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: Neels Hofmeyr <>
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