Originally Posted by MohammadAG

/etc/event.d/callerid (assuming it's actually in /usr/bin).

Code:

start on started hildon-desktop

respawn

script
  exec su - user -c "exec /usr/bin/callerid --daemon"
end script

Add the file to the deb and make it install to the location I mentioned above.
This way it'll auto start and you can start/stop callerid from terminal