isdnlog software package provides ISDN utilities - connection logger, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install isdnlog
isdnlog is installed in your system.
Make ensure the isdnlog package were installed using the commands given below,
$ sudo dpkg-query -l | grep isdnlog *
You will get with isdnlog package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Utilities |
| Package | isdnlog |
| Version | 1:3.25+dfsg1-3.3ubuntu2 |
| Description | ISDN utilities - connection logger |
| Sub Section | Utils |