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Romeu Medeiros medeiros at medeiros.eng.brHello Rafael
I just configure the NextEPC to connect via SGS to OSMO-MSC, like this:
sgsap:
addr: 127.0.0.1
port: 29118
name: vlr.example.net
tai:
plmn_id:
mcc: 724
mnc: 21
tac: 12345
lai:
plmn_id:
mcc: 724
mnc: 4
lac: 51544
And the configuration in the MSC:
sgs
local-port 29118
local-ip 0.0.0.0
vlr-name vlr.example.net
And configure the IMSI in the Osmo-HLR and NextEPC-HSS
If you need more help tell me.
Thanks
Romeu Medeiros
And
On Fri, Jul 19, 2019 at 1:31 PM Rafael Diniz <rafael at rhizomatica.org> wrote:
> Hi all,
>
> I'd also like to test SMS and CSFB in LTE. I have some experience with
> the Osmocom GSM stack, but not much with the NextEPC LTE. Could you
> point me which fields should I set in the configuration files?
>
> Thanks,
> Rafael Diniz
>
> On 7/13/19 6:35 PM, Romeu Medeiros wrote:
> > Hello Sukchan and friends.
> >
> > I'm trying to use the CSFB in test lab, and every time that nextepc send
> > the UEContextModificationRequest, the UE respond with an
> > UEContextModificationFaliure [ Protocol-cause=semantic-error ].
> >
> > image.png
> >
> > I'm looking why I'm getting this. Someone have any idea?
> >
> > Thanks
> >
> > Romeu Medeiros
> >
> > On Thu, Jul 11, 2019 at 12:15 PM Sukchan Lee <acetcom at gmail.com
> > <mailto:acetcom at gmail.com>> wrote:
> >
> > Dear Osmocom & NextEPC Community,
> >
> > Today I've added CS Fallback and released NextEPC v0.5.0
> >
> > So, I'd just like to test this part with Osmocom project, but it
> > seems to be a difficult task. The reason is why I have little
> > knowledge about 2G/3G. Nevertheless, I will try to do it
> >
> > BTW, I don't know if there is anyone who wants to integrate this big
> > thing.
> > Even though I'm not sure if this will help, but let me introduce the
> > configuration of the NextEPC.
> >
> > To use SGsAP, change the mme.conf as follows:
> >
> > #
> > # <sgsap>
> > #
> > # o Single MSC/VLR
> > # sgsap:
> > # addr: 127.0.0.2
> > # plmn_id:
> > # mcc: 001
> > # mnc: 01
> > # tac: 4130
> > # lac: 43690
> > #
> > # o Multiple MSC/VLR
> > # sgsap:
> > # - addr: 127.0.0.2
> > # plmn_id:
> > # mcc: 001
> > # mnc: 01
> > # tac: 4131
> > # lac: 43692
> > # - addr
> > # - 127.0.0.3
> > # - fe80::2%lo0
> > # plmn_id:
> > # mcc: 001
> > # mnc: 01
> > # tac: 4132
> > # lac: 43692
> > # - name: msc.open5gs.org <http://msc.open5gs.org>
> > # plmn_id:
> > # mcc: 001
> > # mnc: 01
> > # tac: 4133
> > # lac: 43693
> > #
> >
> > FYI, I also attach the pcap that I run with nextepc simulator as
> below.
> >
> > $ ./tests/testcsfb
> > mo-idle-test : SUCCESS
> > mt-idle-test : SUCCESS
> > mo-active-test : SUCCESS
> > mt-active-test : SUCCESS
> > All tests passed.
> >
> > Feel free to raise any questions about this things.
> >
> > Best Regards,
> > Sukchan
> >
>
>
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