Avaya Workplace Client does not support the Block IMs for users in Do-Not-Disturb (DND) state feature. Avaya recommends that you set the Block IMs for users in Do-Not-Disturb (DND) state attribute to False if the Conversations Enabled attribute is set to True to enable conversations for Avaya Workplace Client.
For more information, see Enabling conversations for an Avaya Workplace Client.