Skype for bussiness fake missed calls

Pantelis Komatas 26 Reputation points

Dear All,

We have Skype for business server 2019 and excahnge server 2016. We have an issue last couple of weeks and some users recives fake missed call notifications. I checked message tracking and indeed our exchange server send the missed call notifications. User A never calls User B but user B recieve missed call notification. To be honest i dont know what to check, the only thing that i suspect is if the server has been hacked or something like this. We have also edge server for external user communications.
Could someone assist us on this?

Pantelis Komatas

Skype for Business
Skype for Business
A Microsoft communications service that provides communications capabilities across presence, instant messaging, audio/video calling, and an online meeting experience that includes audio, video, and web conferencing.
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  1. JimmyYang-MSFT 45,951 Reputation points Microsoft Vendor

    Hi @Pantelis Komatas

    Does anyone else have the same issue in your organization?

    You can try to use call detail report to if the caller URI is your Skype for Business user in Skype for Business.

    If the response is helpful, please click "Accept Answer" and upvote it.

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