Can’t call Exchange UM Subscriber Access or Auto Attendant if the contact object is homed on a Skype for Business Server 2019 pool - Microsoft Support [MS]

Can’t call Exchange UM Subscriber Access or Auto Attendant if the contact object is homed on a Skype for Business Server 2019 pool

Skype for Business Server 2019 More...Less

To fix this issue, install the July 2019 cumulative update 7.0.2046.123 for Skype for Business Server 2019, Front End Server and Edge Server.