Security Features; Secure Calls - NEC DT900 Series User Manual

Ch 5 - Security Features
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ECURITY EATURES
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DT900/DT900S Series Phone User Guide
See the Administrator's Guide for information on security settings for phones.
Note:
The DT920/DT920S and DT930/DT930S phones support several security protocols
for secure systems.
Depending on the model of your phone and the configuration of your system, not all
features may be available on your phone.
All security settings for phones are programmed by your system administrator.
The DT920 phones have a smaller screen display than is shown in the
Note:
examples in this section. You may have to scroll using the cursor pad and
softkeys to see all available options.
The following symbols represent the phone's directional cursor pad and key pad:
Digit key
c
4-way scroll BACK key
(Redial key)
4-way scroll FORWARD key
(Directory key)
d
4-way scroll UP key
(Volume UP key)
b
4-way scroll DOWN key
(Volume DOWN key)
b
ENTER key
(center button on cursor pad)
D T P H O N E D I S P L A Y
 
The Up and Down softkeys on the phone indicate to the user when there are
more options than displayed on the LCD screen.
S E C U R E C A L L S
S E C U R E C A L L I C O N D I S P L A Y
A call is secure when both the signaling and the media are secure. Different icons are
used to indicate the security of the phone's signaling and the security of the media.
User actions/Keys
Select corresponding menu Item
Return to User Settings menu
a
Select highlighted menu item
Move to previous menu item
Move to next menu item
Select highlighted menu item
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