ios - Push notification sound is not working -

i using push notifications in app.when notifications comes,i not getting notification sound of notification , in ipad settings switched-on notification buttons in ipad though notification sound not coming.

{     alert = "testing commands@2014-12-01t12:16:26",     sound = "default" } 

i getting sound file this.but notification sound not coming.

i new pushnotification concept.can please solve this...

you should use json format send notifications encapsulated in aps dictionary like:

{      "aps" : {          "alert" : "your message.",          "badge" : 0,          "sound" : "default"      } } 

for complete reference: https://developer.apple.com/library/ios/documentation/networkinginternet/conceptual/remotenotificationspg/chapters/applepushservice.html