SECURITY FEATURES
5 -50 DT820 Phone User Guide
Table 5.1 Secure Registration Icon
Secure Media
A locked or unlocked icon is displayed adjacent to the call appearance icon to
indicate when secure media, such as SRTP, is used.
Table 5.2 Secure Media Icon (Secure Media, Unsecure Signaling)
Figure 5.1 Secure Media Icon (Secure Media, Secure Signaling)
The following table provides the details for possible scenarios with secured and
unsecured signaling and media.
Table 5.3 Secured/Unsecure Signaling and Media Scenarios Icons
Music-On-Hold
When the phone is placed on-hold, the media is renegotiated. The media may change
from SRTP to RTP. The Media Icon will update accordingly.
Black and White Color
White Background Black Background Color
White Background Black Background Color
Signaling Media
Registration Icon Media Security Icon
Black and White Color
White
background
Black
background
Color
Non-TLS RTP None None
Non-TLS SRTP
TLS RTP None None
TLS SRTP