Skype For Business 2019 Push Notifications

[AhmedLotfy]

Hello , 

i have skype for business 2019 , and i've limited my inbound connection to only Public IPs located in Egypt , so my question is , will push notifications work with me ?! as it needs to connect to cloud-based skype for business server and then it sends the notification to my on prem 

[DSPatrick]

You'll reach more experts in dedicated forum over here.

https://social.technet.microsoft.com/Forums/en-US/home?forum=sfbfr