Forum Discussion
Steve_Conn
Microsoft
Jul 18, 2017Discontinuation of support for Session Border Controllers in Exchange Online Unified Messaging
In July 2018, we will no longer support the use of Session Border Controllers (SBC) to connect 3 rd Party PBX systems to Exchange Online Unified Messaging (UM). We're making this change to provide ...
Aug 03, 2017
But if you're using Lync/Skype and connected with Exchange Online UM, you're most likely unaffected as this traffic will travel through your Edge server, and not a specific SBC (even if you use an SBC to connect to your phone company). This is mostly for third party PBXs who connect an SBC to the O365 SBCs to get to Exchange Online UM.
EXPTA
Aug 03, 2017MVP
Correct, this only affects customers who use SBCs to connect to Office 365. Some companies have more than one PBX and may use SBCs for O365 connectivity, even when they have Lync/S4B in their environment.