View source for YAYPM:Simple IVR

Here is a toy ivr. It routes calls to number 'ivr' to DumbChannel, answers them, then listens for DTMFs and plays back digit announcement for every dtmf. You need to provide your own digit recordings.

 #!/usr/bin/python
 
 import logging, yaypm.utils
 
 logger = logging.getLogger('yaypm.examples')
  
 def route(yate):
    def on_route(route):
        callid = route["id"]
        route.ret(True, "dumb/")
 
        def on_execute(execute):
            yate.msg("call.answered",
                     {"id": execute["targetid"],
                      "targetid": execute["id"]}).enqueue()
            logger.debug("Call %s answered." % callid)
            def on_dtmf(dtmf):
                logger.debug("Dtmf %s received." % dtmf["text"])
                yate.msg("chan.masquerade",
                    {"message" : "chan.attach",                    
                     "id": dtmf["targetid"],
                     "source": "wave/play/./sounds/digits/pl/%s.gsm" % \
                     dtmf["text"]}).enqueue()
                dtmfid = dtmf["id"]
                yate.onwatch("chan.dtmf",
                    lambda m : m["id"] == dtmfid).addCallback(on_dtmf)
                dtmf.ret(True)
            dtmf = yate.onmsg("chan.dtmf",
                lambda m : m["id"] == execute["id"])
            dtmf.addCallback(on_dtmf)            
 
        execute = yate.onwatch("call.execute",
            lambda m : m["id"] == callid)
        execute.addCallback(on_execute)
        yate.onmsg("call.route").addCallback(on_route)
 
    yate.onmsg("call.route", 
        lambda m : m["called"] == "ivr").addCallback(on_route)
  
 if __name__ in ["__main__"]:
    logger.setLevel(logging.DEBUG)    
    yaypm.utils.setup(route)

'''See also'''

* [[YAYPM:Simple IVR with Inline Callbacks]]
* [[YAYPM:Bridge and then unbridge]]
* [[YAYPM:Bridge and then redirect after a hangup]]

[[Category:Extmodule]] [[Category:YAYPM]] [[Category:Programmers]] [[Category:Scripting]] [[Category:IVR]]