tokb:Sfb_SMB_endpoints

Skype Meeting Broadcast

To use Skype Meeting Broadcast, the following endpoints need to be accessible to client computers.

Row

Purpose

Source |Credentials

Destination

CDN

ExpressRoute for Office 365

Destination IP

Destination Port

1

Required: For all Skype functionality, the entries are labeled "required".

See Skype for Business Online.

2

Required: Skype Meeting Broadcast presenter

Client computer / logged on user

aka.ms

None

No

N/A

TCP 80 & 443

*.microsoftonline.com

None

Yes

Authentication and Identity IP ranges

TCP 443

3

Required: Skype Meeting Broadcast presenter and attendee

Client computer / logged on user

broadcast.skype.com

*.broadcast.skype.com1

*.infra.lync.com1

browser.pipe.aria.microsoft.com

mlccdn.blob.core.windows.net

None

No

N/A

TCP 443

ajax.aspnetcdn.com

*.msecnd.net2

Verizon

No

N/A

TCP 443

4

Required: Skype Meeting Broadcast attendee

Client computer / logged on user

amp.azure.net

pipe.skype.com

None

No

N/A

TCP 443

*.streaming.mediaservices.windows.net3

*.keydelivery.mediaservices.windows.net3

Azure Media Services

Yes (Azure Public peering)

N/A

TCP 443

1 The wildcard for lync.com and broadcast.skype.com represents a long list of nodes that are exclusively used for Office 365.

2 The wildcard for msecnd.net represents a dynamically generated endpoint within the CDN that join page libraries are pulled from.

3 The wildcard for streaming.mediaservices.windows.net represents a list of media services endpoints where video content is pulled from.

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