Call Features323feature on the IP phone.Example:account.1.dnd.off_code = *74Note: It works only if the values of the parameters “features.dnd.allow”,“features.dnd_mode” and “account.X.dnd.enable” are both set to 1. It is not applicableto T19(P) E2 IP phones.PermittedValues String within 32 charactersDefault BlankWeb UI Features->Forward& DND->DND->AccountX->Off CodePhone UI Menu->Features->DND->AccountX->Off Code[1]X is the account ID. For T54S/T48S/T48G/T46S/T46G/T29G, X=1-16; for T52S/T42G/T42S, X=1-12; forT41P/T41S/T27P/T27G, X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21(P) E2, X=1-2.DND Synchronization for Server-side ConfigurationDND synchronization feature provides the capability to synchronize the status of the DND featuresbetween the IP phone and the server.If the DND is activated in phone mode, the DND status changing locally will be synchronized to allregistered accounts on server; but if the DND status of a specific account is changed on server, the DNDstatus locally will be changed.The following table lists the parameters you can use to configure DND synchronization for server-side.Parameter features.feature_key_sync.enable .cfgDescriptionIt enables or disables to synchronize the feature status between the IP phone and theserver.Note: It applies to the DND synchromization and forward synchromization.PermittedValues0-Disabled1-Enabled, the IP phone sends a SUBSCRIBE message with event “as-feature-event”.Default 0Parameter features.dnd.feature_key_sync.enable .cfgDescriptionIt enables or disables the DND feature synchronization.Note: It works only if “features.feature_key_sync.enable” is set to 1 (Enabled).PermittedValues0-Disabled1-Enabled, server-based DND is enabled. Server and local phone DND aresynchronized.