libtelepathy-glib-dev software package provides GLib Telepathy connection manager library (headers), 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 libtelepathy-glib-dev
libtelepathy-glib-dev is installed in your system.
Make ensure the libtelepathy-glib-dev package were installed using the commands given below,
$ sudo dpkg-query -l | grep libtelepathy-glib-dev *
You will get with libtelepathy-glib-dev package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Library development |
| Package | libtelepathy-glib-dev |
| Version | 0.22.1-1ubuntu2 |
| Description | GLib Telepathy connection manager library (headers) |
| Sub Section | libdevel |