MarsSeed [1] filed a deletion request for openss7-git [2]: Unused analog and ISDN telephony stack, with Linux kernel < 5.5 modules; not compatible with current Linux kernels, doesn't work anymore. [a] Project maintenance completely stopped since 2020. [b] [a]: https://github.com/openss7/openss7/issues [b]: https://github.com/openss7/openss7/commits/master [1] https://aur.archlinux.org/account/MarsSeed/ [2] https://aur.archlinux.org/pkgbase/openss7-git/