isdnsync(1) on Linux
The text 64337a3c6b1c, as Debian 10 (Buster) shipped it.
use a cheap HFC-S card with the public telephone network as frequency standard for your E1 line
The text 64337a3c6b1c, as Debian 10 (Buster) shipped it.
use a cheap HFC-S card with the public telephone network as frequency standard for your E1 line