dahdi software package provides utilities for using the DAHDI kernel modules, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install dahdi
dahdi is installed in your system.
Make ensure the dahdi package were installed using the commands given below,
$ sudo dpkg-query -l | grep dahdi *
You will get with dahdi package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Communication Programs |
| Package | dahdi |
| Version | 1:2.4.1-1ubuntu2 |
| Description | utilities for using the DAHDI kernel modules |
| Sub Section | comm |