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https://blog.it-kb.ru/2016/04/22/online-meeting-uc-exchange-2013-2016-transport-high-availability-and-net4uc2-network-infrastructure/
Unified Communications User Community (UC²). Встреча №13: Exchange 2013/2016 Transport High Availability и Net4UC2 Сетевая инфраструктура для объединенных коммуникаций