CU upgrade - ability to download directly from PSGallery

Jehad Jawad
236
Reputation points
The following link:
https://support.microsoft.com/en-us/topic/updates-for-skype-for-business-server-2015-kb3061064-7c3cdc53-6d6d-0c1e-e2ee-2b598c53cc7e
Is saying "The current version of the PowerShellGet module (requires the ability to download directly from PSGallery)" in order to install the latest CU of Skype for Business
We have Edge servers that are in the DMZ
Do we need to have an internet connection in order to do the CU upgrade?