isdnsync(1) on Linux
The text 6c40be9ea31c, as Debian 12 (Bookworm) shipped it.
use a cheap HFC-S card with the public telephone network as frequency standard for your E1 line
The text 6c40be9ea31c, as Debian 12 (Bookworm) shipped it.
use a cheap HFC-S card with the public telephone network as frequency standard for your E1 line