ALE M3-M5-M7-M8 DeskPhones Administrator Guide   
If the DND is activated in Custom mode, the DND status changing locally will be synchronized to the specific 
accounts on the server. 
The IP phone support 2 methods to synchronize the status of the DND between the IP phone and the server. 
Prefix mode: 
The IP phone will send on code or off code to synchronize the status of the DND between the IP phone and 
the server. 
Subscribe mode: 
The IP phone will send subscribe message to synchronize the status of the DND between the IP phone and 
the server when forward states change. 
With Subscribe mode the IP phone don’t need config on code or off code.  
The following table lists the parameters you can use to configure DND synchronization for the server side. 
Note: X means account ID. It can be number 1~8 for M3/M5/M7, and 1-20 for M8. 
It configures the DND method for the IP phone. 
Note: It works only if “DNDModeAccount” is set to 0 (Phone). 
0: Prefix 
1: Subscribe. The IP phone sends a SUBSCRIBE message with event “as-feature-event” to 
the server. 
Features → DND → DND method 
It configures the DND method for the IP phone accountX. 
Note: It works only if “DNDModeAccount” is set to 1 (Custom). 
0: Prefix 
1: Subscribe. The IP phone sends a SUBSCRIBE message with event “as-feature-event” to 
the server. 
Features → DND → DND method 
10.13.6 DND Enable/Disable Prompt Enhancement 
The following table lists the parameters you can use to configure DND enable/disable prompt enhancement. 
It enables or disables the IP phone to display a large DND icon on the idle screen. 
Note: It works only if “FeatureDNDPromptMode” is set to 1 (Enabled). 
0 - default mode 
1 - strong prompt mode