calls_controller.rb

class CallsController < ApplicationController
  def index
    Telapi::Call.make
      (
       '+15555555555', # The client's number to call
       '+19876543210', # The customized caller ID (i.e. your office's number that your clients will recognize)
       'http://remind-my-clients.herokuapp.com/remind-my-clients.xml'
      )
  end
end