Prerequisites for message waiting key and indicator for voice mail

Last Updated : Jan 23, 2019 |
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  • Configure the mailbox on the voice mail system. See the voice mail system administration guide for the procedure to configure this data.
  • Configure Message Waiting Allowed (MWA) class of service for the endpoint.
  • If the endpoint has buttons for Message Waiting or supports it on a fixed button location, configure Message Waiting Indicator on the appropriate button for the endpoint.