grapoc.rb

say "Please wait while we transfer your call. Press star to cancel the transfer."
transfer ["sip:9175744034@sip.tropo.net"], {
    :callerID => 'sip:917111@sip.tropo.net',
    :playvalue => "http://www.phono.com/audio/holdmusic.mp3",
    :terminator => "*",
    :onTimeout => lambda { |event|
        say "Sorry, but nobody answered"}
    }
say "goodbye"
hangup
# call $caller, {:callerID => 'sip:917111@sip.tropo.net'}
# conference "1337", {
#   :terminator => "*",
#   :playTones => true,
#   :onChoice => lambda { |event| 
#         say("Disconnecting")    
#    }}
# say "goodbye"
# hangup