laforge 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/d186709b_57f2c6f5
PS4, Line 19: Do not (yet?) supp
> the "yet" is about modifying an active RAB -- IIUC for handover that wouldn't be needed. […]
for intra-RNC: Yes I would assume that is the normal case, but we're making assumptions here (that the RNC will hide the internal RAN topology / IP addresses and present a fixed RTP endpoint towards the CN). Likely but not guaranteed.
As for inter-RNC: Likewise, there could in theory be some different support in terms of codecs/rates. Again, likely that it's not required in a usual case, but I'd say there are potential cases and the specs allow for it, certainly.
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Hello Jenkins Builder, fixeria, laforge,
I'd like you to reexamine a change. Please visit
https://gerrit.osmocom.org/c/osmo-bsc/+/35008?usp=email
to look at the new patch set (#2).
The following approvals got outdated and were removed:
Code-Review+1 by fixeria, Code-Review+1 by laforge
Change subject: ASCI: Repeat notification after assigning MS to VGCS/VBS channel
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ASCI: Repeat notification after assigning MS to VGCS/VBS channel
The assignment is repeated because the calling subscriber may not
receive the notification on the DCCH, during handover process. After the
assignment is complete, the calling subscriber will receive
notification.
This cannot be done automatically by the BTS, because the BTS has no
relation between the notifications and the channels.
The notification is required, so that the MS knows the channel to listen
to when leaving the uplink the first time. If no notification is
received, the MS will abort the call.
Change-Id: Ife568b8c2756be332c0b8de21111f66f6e537c4d
---
M src/osmo-bsc/vgcs_fsm.c
1 file changed, 23 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-bsc refs/changes/08/35008/2
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fixeria has posted comments on this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/35011?usp=email )
Change subject: osmo-bts-trx: eliminate ul_bursts_prev, use the primary buffer
......................................................................
Set Ready For Review
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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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