UM IP gateways: Exchange 2013 Help | Microsoft Learn
Jan 27, 2023 · Applies to: Exchange Server 2013, Exchange Server 2016 A Unified Messaging (UM) IP gateway represents a physical Voice over IP (VoIP) gateway, IP Private Branch …
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Jan 27, 2023 · Applies to: Exchange Server 2013, Exchange Server 2016 A Unified Messaging (UM) IP gateway represents a physical Voice over IP (VoIP) gateway, IP Private Branch …