Note: This article applies only to Office 365 Worldwide (including Government Community Cloud). For guidance on Office 365 operated by 21 Vianet, Office 365 Germany, Office 365 U.S. Government DoD or...
Updated Dec 13, 2017
Version 7.0
Blog Post
First of all, great article!
To reiterate your comment directed to me: for Skype for Business Online Cloud PBX, the optional 50,000 port range has not fully implemented on all tenants and we should still consider it, but only later, correct? If so how will we know when? I am asking from a (a) keep ports open perspective, but more so from a (b) QoSing perspective. I am debating to switch to a port based QoSing for traffic prioritization in one of our sites verses the IP based QoS technique we are using now for call quality, but you comment makes me question if it is ready. What do you recommend? Currently we are doing QoSing for SfB Cloud PBX w/ PSTN connection based on the IP address list here: https://support.office.com/en-us/article/Office-365-URLs-and-IP-address-ranges-8548a211-3fe7-47cb-abb1-355ea5aa88a2?ui=en-US&rs=en-US&ad=US&fromARhttps://support.office.com/en-us/article/Office-365-URLs-and-IP-address-ranges-8548a211-3fe7-47cb-abb1-355ea5aa88a2?ui=en-US&rs=en-US&ad=US&fromAR=1=1#bkmk_lyo