Security Features; Secure Calls; Secure Signaling - NEC DT820 Series User Manual

Ch 5 - Security Features
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ECURITY EATURES
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Se c u r e S i gna l i ng
DT820 Phone User Guide
See the Administrator's Guide for information on security settings for phones.
Note:
The phones support several security protocols for secure systems.
All security settings for phones are programmed by your system administrator.
The DT820 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 8 2 0 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.
A lock symbol appears in the registration icon when secure signaling is used, such as
a TLS connection.
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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