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Call Control permission required for webhook subscriptions?
Tags: graduation
Nov 18, 2019 at 11:20am   •   2 replies  •  0 likes
Dan Day


I'm building an application that needs to subscribe to webhooks for telephony events (/restapi/v1.0/account/:id/telephony/sessions). When trying to add a webhook subscription we got the following error:

"Required application permission [CallControl] is missing"

After adding that permission to our application we're able to successfully subscribe. The problem is making valid requests using the "Call Control" permission in order to pass app graduation. That's the only permission showing up in the dashboard saying we haven't made any requests using that permission:

We don't have plans to use any of the APIs using that permission. From the docs it looks like the majority of endpoints using that permission are for interacting with live calls. I thought I could use the "Make CallOut" endpoint but can't figure out how to configure a device to get a device ID to use in our sandbox account (

Any suggestions on how to proceed so we can get our app graduated?

Thanks in advance,


1 Answer
answered on Nov 20, 2019 at 12:16pm  

Manual graduation done!

answered on Nov 18, 2019 at 8:09pm  

Hi Phong,

Thanks for the reply. Our app client ID is 13D_cdm7TMWYIq5Hi4Zdbg. We only have one days worth of requests so far but I will be making more tomorrow and going forward to meet graduation requirements.

Thanks for the help!



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