Using pocketsphinx, Gst, Rails 3, ruby 1.8.7 (gst not working with ruby 1.9)
To start the server got to the project root and type in terminal: 
rails server

1. create session and get id
 curl -X POST  http://localhost:3000/recognizer

2. send data 
 curl -X POST -F"file=@/home/user/test/data/goforward.raw" http://localhost:3000/recognizer/ <session_id>

3. get data 
 curl  http://localhost:3000/recognizer/ <session_id>