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@gmail.com
> <mailto:acetcom@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
>