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Security Profiles
Feature
Max MOS LQK
MOS LQK Version
Related Topics
Security Profiles
All Cisco Unified IP Phones that support Cisco Unified Communications Manager use a security profile,
which defines whether the phone is nonsecure, authenticated, or encrypted. For information about configuring
the security profile and applying the profile to the phone, see the Cisco Unified Communications Manager
Security Guide.
To view the phone security mode, you can view the security profile in Cisco Unified Communications Manager.
Related Topics
Authenticated, Encrypted, and Protected Phone Calls
In an authenticated call, all devices participating in the establishment of the call are trusted devices, and
authenticated by Cisco Unified Communications Manager.
In an encrypted call, all devices participating in the establishment of the call are trusted devices, and
authenticated by Cisco Unified Communications Manager. In addition, call signaling and media streams are
encrypted. An encrypted call offers a high level of security, providing integrity and privacy to the call.
If the call is routed through non-IP call legs, for example, PSTN, the call may be nonsecure even though it is
encrypted within the IP network.
In a protected call, a security tone plays at the beginning of a call to indicate that the other connected phone
is also receiving and transmitting encrypted audio and video (if video is involved). If your call is connected
to a non-protected phone, the security tone does not play.
Cisco Unified IP Phone
20
Cisco Unified IP Phones Security
Security
Profiles, on page 20
802.1X
Authentication, on page 22
Authenticated, Encrypted, and Protected Phone
Cisco Unified IP Phone Security
Authenticated, Encrypted, and Protected Phone
Description
Baseline or highest MOS LQK score from the start
of the voice stream.
The following codecs provide the corresponding
maximum MOS LQK scores under normal conditions
with no frame loss:
• G.711: 4.5
• G.728/iLBC: 3.9
• G729A/AB: 3.7
Version of the Cisco-proprietary algorithm used to
calculate the MOS LQK scores.
Features, on page 16
Calls, on page 20
Calls, on page 20
Cisco Unified IP Phone