loopctrl

User space administration programs and tools for ISDN

Arch Arch Linux
RUN pacman -S --noconfirm isdn4k-utils
CentOS
RUN yum install -y isdn4k-utils
Fedora
RUN dnf install -y isdn4k-utils
click the source code to copy install loopctrl on any operating system with command-not-found.com