neels has posted comments on this change. (
https://gerrit.osmocom.org/c/osmo-hnbgw/+/34974?usp=email )
Change subject: allow (second) CS RAB Assignment Request without RTP info
......................................................................
Patch Set 4:
(1 comment)
Commit Message:
https://gerrit.osmocom.org/c/osmo-hnbgw/+/34974/comment/6f38066a_8221dc97
PS4, Line 19: Do not (yet?) supp
unrelated to this patch we certainly do need that. […]
the "yet" is about modifying an active RAB -- IIUC for handover that
wouldn't be needed.
If we implement handover on 3G:
- intra-RNC handover would at most notify the CN after handover occurred, the RNC should
'hide' it from HNBGW and upwards.
- inter-RNC / inter-RAT handover would establish a brand new RAB on another RNC/BSC/...
and then assign the UE to that, so there wouldn't be a RAB modification.
A voice announcement should come from "behind" the MSC's MGW hop, so the
active CS RAB should not need modification for that.
I hope I understood correctly...
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Gerrit-Project: osmo-hnbgw
Gerrit-Branch: master
Gerrit-Change-Id: I25bf19981cd75a87a7ceb3382dae1ec626ae475c
Gerrit-Change-Number: 34974
Gerrit-PatchSet: 4
Gerrit-Owner: neels <nhofmeyr(a)sysmocom.de>
Gerrit-Reviewer: Jenkins Builder
Gerrit-Reviewer: laforge <laforge(a)osmocom.org>
Gerrit-Reviewer: osmith <osmith(a)sysmocom.de>
Gerrit-Comment-Date: Mon, 13 Nov 2023 23:00:23 +0000
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