Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones 
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The following graphic shows an example for displaying the softkey id and menu item id after 
accessing the menu of the phone: 
   
Procedure 
EDK feature can be configured using the configuration files. 
Central Provisioning 
(Configuration File) 
Configure enhanced DSS keys. 
Parameter: 
features.enhanced_dss_keys.enable 
Configure whether to display the 
softkey id or menu item id by long 
pressing the Volume Up key. 
Parameter: 
edk.id_mode.enable 
Details of Configuration Parameters: 
features.enhanced_dss_keys.enable 
Description: 
Enables or disables the Enhanced DSS Keys (EDK) feature. 
0-Disabled 
1-Enabled 
Web User Interface: 
None 
Phone User Interface: 
None