ifcico software package provides Fidonet Technology transport package, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ifcico
ifcico is installed in your system.
Make ensure the ifcico package were installed using the commands given below,
$ sudo dpkg-query -l | grep ifcico *
You will get with ifcico package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Communication Programs |
| Package | ifcico |
| Version | 2.14tx8.10-22+b1 [s390x], 2.14 |
| Description | Fidonet Technology transport package |
| Sub Section | comm |