acpi-call software package provides virtual package provided by acpi-call-dkms, 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 acpi-call
acpi-call is installed in your system.
Make ensure the acpi-call package were installed using the commands given below,
$ sudo dpkg-query -l | grep acpi-call*
You will get with acpi-call package name, version, architecture and description in a table
| Distro | Debian 9 stretch |
| Section | Virtual packages |
| Package | acpi-call |
| Version | |
| Description | virtual package provided by acpi-call-dkms |
| Sub Section | Virtual |