Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
asterisk-dahdi
asterisk-dahdi(x86-64)
asterisk-zaptel
config(asterisk-dahdi)

Requires :

/bin/sh
/usr/bin/usermod
asterisk = 18.12.1-1.fc42.12
config(asterisk-dahdi) = 18.12.1-1.fc42.12
dahdi-tools >= 2.0.0
libc.so.6()(64bit)
libc.so.6(GLIBC_2.14)(64bit)
libc.so.6(GLIBC_2.16)(64bit)
libc.so.6(GLIBC_2.2.5)(64bit)
libc.so.6(GLIBC_2.3)(64bit)
libc.so.6(GLIBC_2.3.4)(64bit)
libc.so.6(GLIBC_2.33)(64bit)
libc.so.6(GLIBC_2.34)(64bit)
libc.so.6(GLIBC_2.38)(64bit)
libc.so.6(GLIBC_2.4)(64bit)
libc.so.6(GLIBC_ABI_DT_RELR)(64bit)
libgcc_s.so.1()(64bit)
libgcc_s.so.1(GCC_3.0)(64bit)
libgcc_s.so.1(GCC_3.3.1)(64bit)
libpri.so.1.4()(64bit)
libss7.so.2.0()(64bit)
libtonezone.so.2()(64bit)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1
rtld(GNU_HASH)

Content of RPM :
/etc/asterisk/chan_dahdi.conf
/etc/asterisk/meetme.conf
/etc/asterisk/ss7.timers
/usr/lib/.build-id
/usr/lib/.build-id/4b/45237cc055ca366503711118e8d5a61df03124
/usr/lib/.build-id/71/cd4d61d644002be7ff777ba25e1f3facb5206b
/usr/lib/.build-id/9f/4ad6b8e6921bf1862e77d4353b65d7a142e843
/usr/lib/.build-id/a8
/usr/lib/.build-id/a8/61ba8bade9f091b369d328e9d68fb9b679ca4d
/usr/lib/.build-id/e5/7e7298a300ab8749998345477d6b023f95794e
/usr/lib64/asterisk/modules/app_dahdiras.so
/usr/lib64/asterisk/modules/app_flash.so
/usr/lib64/asterisk/modules/chan_dahdi.so
/usr/lib64/asterisk/modules/codec_dahdi.so
/usr/lib64/asterisk/modules/res_timing_dahdi.so
/usr/share/dahdi/span_config.d/40-asterisk