Hi Enzo, Since there is no GSM MAP support in Osmocom (yet) you won’t be able to interconnect via SS7 (SIGTRAN to be correct) with any operator. Also I think not only the protocol support is missing, but also some interfaces needed are not there either. Just a fair warning.
Cheers, Domi > 25.08.2023 dátummal, 16:59 időpontban Mychaela Falconia > <fal...@freecalypso.org> írta: > > Hi Enzo, > >> I also want to eventually set >> everything up officially with numbers direct from the nanpa, and >> interconnection agreements for ss7 and pstn data. > > I don't have SS7, but I do operate my own Osmocom-based GSM network in > USA with each subscriber getting a real NANP phone number, fully > interconnected with PSTN, able to make calls to and receive calls from > anywhere in the world. I use bulkvs.com for outside PSTN connectivity > and getting real phone numbers, but I had to write my own large body > of software (https://www.freecalypso.org/hg/themwi-system-sw/) for > interconnecting the Osmocom-based network to the outside world in this > manner. I will be giving a talk on this topic next month: > > https://osmocom.org/projects/osmo-dev-con/wiki/OsmoDevCall > >> In your experience, >> has anyone cared that you're leaking emissions a bit? > > Thankfully I haven't got into any trouble so far. I don't currently > operate with the 925.2 MHz trick I outlined in my first reply, instead > I squat in an unused spot in the PCS1900 band, in the 1 MHz guard band > before AT&T's 20 MHz LTE signal. I operate at 3 dBm Tx power from the > BTS, and I used a handheld spectrum analyzer (RF Explorer) to confirm > that the signal goes down to undetectable within a block of my > location, long before reaching a tower site where listening monitors > are going to be located. > > M~
