As we've shared at Ignite and in other blogs, there is a change underway to Office 365 Skype for Business. With the new IP and Port ranges in use for both Skype for Business and Teams when using Tran...
Updated Jan 18, 2018
Version 5.0
Blog Post
@Sankarasubramanian-
Please see this URL:
https://myadvisor.fasttrack.microsoft.com/CloudVoice/Downloads?SelectedIDs=4_4_0_2
- Slide 48 of the presentation contains an architecture diagram
- Additionally, slides 16-19 talk about network ports that need be available, and that information directly links to the info Aaron has already provided.
- These ports are needed for ALL workflows, up to and including IM/Presence/AppShare/Audio/Video/PSTN
- These ports are the "Common for all Cloud PBX options ports" referenced in slide 48
- You absolutely must open the proper UDP ports outbound in order for media to work properly
- Forcing traffic via TCP (and especially through TCP 443) is a recipe for disaster.
- Expect poor stream quality, media drops for audio/video/application sharing, or outright media startup failure if you force TCP.
- Forcing traffic via TCP (and especially through TCP 443) is a recipe for disaster.
Use this info to speak to your network/firewall team so that they can open up the appropriate ports. If you can't navigate the complexities on your own, then as Aaron suggested, see if you can find a Microsoft partner in your region that would be able to assist you to get things resolved. There are many moving pieces to account for and a qualified partner can help you outline other issues that may be at play.