conf_call.rb

conf_call.rb

#!/usr/bin/env ruby

# Usage conf.rb <number>
#
# Will call the number, repeatedly if necessary, and join them to a conference call when they join.

require 'rubygems' # not necessary with ruby 1.9 but included for completeness 
require 'twilio-ruby' 
 
# put your own credentials here 
account_sid = 'foo' 
auth_token = 'bar' 

# set up a client to talk to the Twilio REST API 
@client = Twilio::REST::Client.new account_sid, auth_token 


def confcall(num)
  @client.account.calls.create({
	:to => num,
	:from => '+14153673283', 
	:url => 'http://twimlets.com/echo?Twiml=%3CResponse%3E%0A%3CDial%3E%0A%3CConference%20waitUrl%3D%22http%3A%2F%2Ftwimlets.com%2Fholdmusic%3FBucket%3Dcom.twilio.music.electronica%22%20waitMethod%3D%22GET%22%3Ed41d8cd98f00b204e9800998ecf8427e%3C%2FConference%3E%0A%3C%2FDial%3E%0A%3C%2FResponse%3E&#38;',  
	:method => 'GET',  
	:fallback_method => 'GET',  
	:status_callback_method => 'GET',    
	:record => 'false'
})
end

# call the given number repeatedly until its not busy (or ringing)
def repeatocall(num)

  status = 'busy'
  while ['busy', 'ringing'].include?(status)
    $stdout.puts("#{Time.now}: Calling #{num}")
    call = confcall(num)
    $stdout.puts("Call is #{call.uri}")
    sleep(1)

    # wait until call is no longer ringing
    loop do
      status = @client.get(call.uri.gsub('.json',''))['status']
      $stdout.puts("#{Time.now}: Call is #{status}")
      break if status != 'ringing'
    end

    # if call is busy, hang up
    if status == 'busy'
      $stdout.puts("#{Time.now}: Hanging up.")
      call.cancel
    end
  end

  $stdout.puts "#{Time.now}: OMG something interesting happened.  Status is #{status}"
end  

call = repeatocall ARGV[0]