Customizing Your Phone 
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Line (the account this feature will be applied to) 
Access code (the last caller ID erasure access code) 
Label (key label displayed on the LCD screen) 
Usage: Press the DSS key to delete the record of the last received call. 
LDAP 
You can use this key feature to quickly access an LDAP search screen. 
Dependencies: 
Soft key action (LDAP) 
Label (key label displayed on the LCD screen) 
Usage: 
1.  Press the DSS key to access the LDAP search screen. 
2.  Enter a few continuous characters of the contact name or continuous numbers of the 
contact number using the keypad. 
The contacts whose name or phone number matches the characters entered will appear on the 
LCD screen. 
Line Identity 
You can use this key feature to announce the full Directory Number of the line back to the 
caller.   
Dependencies: 
Soft key action (Line Identity) 
Line (the account this feature will be applied to) 
Access code (the Line Identity access code) 
Label (key label displayed on the LCD screen) 
Usage: Press the DSS key when the phone is idle, the full Directory Number of your line will be 
announced back. 
Multicast Paging 
You can use this key feature to quickly and easily broadcast time-sensitive announcements to 
users who are listening to a specific multicast group. For more information on how to configure 
multicast paging, refer to Multicast Paging on page 60. 
Dependencies: 
Soft key action (multicast paging) 
IP Address (multicast IP address) 
Port (multicast IP port) 
Label (key label displayed on the LCD screen) 
Usage: Press the DSS key to send a Real-time Transport Protocol (RTP) stream to the 
pre-configured multicast address(es).