gistfile1.rb

require 'rubygems'
require 'curb'

curl = Curl::Easy.new 'http://sandite.orl.voxeo.net/transcribe'
curl.userpwd = 'username:password'
#voxeon:orlandorox
curl.multipart_form_post = true

curl.http_post Curl::PostField.file('filename', ARGV[0]),
               Curl::PostField.content('transcriptionOutFormat', 'json'),
               Curl::PostField.content('transcriptionID', '123456'),
               Curl::PostField.content('trascriptionOutURI', 'http://tropo-transcriptions.appspot.com/receive_transcription')

p "Result: " + curl.response_code.to_s + " " + curl.body_str