файл ivr.vxml:

<xml version="1.0" encoding="UTF-8"?>
<vxml version = "2.1" >
<var name="DestNumber"/><!-- Variable used to store the destination number -->
<form id="Start">
<block>
  <prompt bargein="false"><!-- You cannot interrupt this prompt -->
   <audio src="tftp://192.168.1.136/output.wav"/>
  </prompt>
  <goto next="#Main"/>
</block>
</form>

cisco#sh flash
-#- --length-- -----date/time------ path
1          365 Jul 28 2014 15:00:20 +00:00 ivr.vxml
2         8146 Jul 27 2014 07:42:16 +00:00 output.wav
3     50238428 Jul 3 2014 15:42:34 +00:00 c880voice-universalk9-mz.153-3.M.bin