Para openSUSE Tumbleweed execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/network:telephony/openSUSE_Tumbleweed/network:telephony.repo
zypper refresh
zypper install osmo-smlc
Para 15.6 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/network:telephony/15.6/network:telephony.repo
zypper refresh
zypper install osmo-smlc
Para 15.5 execute o seguinte como root:
zypper addrepo https://download.opensuse.org/repositories/network:telephony/15.5/network:telephony.repo
zypper refresh
zypper install osmo-smlc