Allow Message Waiting Indicator procedures in Exchange Server

Applies to: Exchange Server 2013, Exchange Server 2016

Allow Message Waiting Indicator (MWI) on a UM IP gateway

Prevent Message Waiting Indicator (MWI) on a UM IP gateway

Enable Message Waiting Indicator (MWI) for users

Disable Message Waiting Indicator (MWI) for users

Enable missed call notifications for a user

Disable missed call notifications for a user