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Sukchan Lee acetcom at gmail.comDear 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 # 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 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/nextepc/attachments/20190712/ace18aeb/attachment.htm> -------------- next part -------------- A non-text attachment was scrubbed... Name: nextepc_csfb.pcapng Type: application/octet-stream Size: 57524 bytes Desc: not available URL: <http://lists.osmocom.org/pipermail/nextepc/attachments/20190712/ace18aeb/attachment.obj>