[osmocom-event-orga] state of the core network #34c3

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Alexander Couzens lynxis at fe80.eu
Tue Dec 26 07:32:23 UTC 2017


The hardware state looks good. bibor is working + coordinating the bts
deployment.

The software state is not so good. We don't even have a basic 2g setup
yet.

- 1x 2g bts is active (at the gsm room)
- no active 3g nano3g yet

- the auth over GERAN seems to work in general, but there is at least
  from one phone which doesn't work, but it could be the UMTS AKA
  problem (patch needs to be applied?!)

- connection to POC/eventphone
 - there is a freeswitch setup. Thanks to nibblr! (needs to be deployed
   on the gsm server) [0]
 - osmo-sip-connector is missing the codec selection to MSC as well as
   to SIP
   - to freeswitch/sip: implement on the first run GSM FR only
   - to MSC: force GSM FR
  - osmo-msc: seems to have some odd leftover from the nitb -> msc/bsc
    split.
  - I've also managed to get into corner cases, after dialing A -> B
    and end up one of them having a call with themself.

I'm going to rest now and will be there around 14:00.

best,
lynxis

The freeswitch needs to be deployed on the gsm server. I've used a lxc
container on my laptop for testing.

[0] .tar.gz from /etc/freeswitch https://own.fe80.eu/s/JCCLlNmhEd2Er5e
-- 
Alexander Couzens

mail: lynxis at fe80.eu
jabber: lynxis at fe80.eu
mobile: +4915123277221
gpg: 390D CF78 8BF9 AA50 4F8F  F1E2 C29E 9DA6 A0DF 8604
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