Hi Amir, On Sun, Apr 17, 2022 at 11:04:02AM +0430, Amir Hossein wrote: correct. Unfortuantely not. We know several people who have developed GSUP to MAP translators, but unfortunately none of those users was willing to release their software as open source, like we do in osmocom. Until people with a need for TCAP/MAP in Osmocom networks will contribute the related code, it will not There are some custom interfaces, for example the pcu_sock between osmo-bts and osmo-pcu, or the MNCC interfae between osmo-msc and osmo-sip-connector. But the A, Gb, Lb, Iu, Gp, etc. interfaces are all as specified by 3GPP. Abis is modified to work over IP (not covered by 3GPP specs even today), see https://downloads.osmocom.org/docs/latest/osmobts-abis.pdf -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)