Call Security Interactions And Restrictions - Cisco 7962G Administration Manual

Chapter 1 An Overview of the Cisco Unified IP Phone

Call Security Interactions and Restrictions

Cisco Unified Communications Manager checks the phone security status when conferences are
established and changes the security indication for the conference or blocks the completion of the call
to maintain integrity and also security in the system.
call security levels when using Barge.
Table 1-4 Call Security Interactions When Using Barge
Initiator's Phone
Security Level Feature Used
Non-secure Barge
Secure (encrypted) Barge
Secure Barge
(authenticated)
Non-secure Barge
Table 1-5
phone security level, the security levels of participants, and the availability of secure conference bridges.
Table 1-5 Security Restrictions with Conference Calls
Initiator's Phone
Security Level Feature Used
Non-secure Conference
Secure (encrypted Conference
or authenticated)
Secure (encrypted) Conference
Secure Conference
(authenticated)
Non-secure Conference
Secure (encrypted Conference
or authenticated)
Secure (encrypted Conference
or authenticated)
OL-12641-01
Call Security
Level
Encrypted call
Authenticated
call
Encrypted call
Authenticated
call
provides information about changes to conference security levels depending on the initiator's
Security Level of
Participants
Encrypted or
authenticated
At least one member is
non-secure
All participants are
encrypted
All participants are
encrypted or authenticated
Encrypted or
authenticated
Encrypted or
authenticated
Member puts call on Hold
with MOH
Cisco Unified IP Phone 7962G and 7942G Administration Guide for Cisco Unified Communications Manager 6.0
Understanding Security Features for Cisco Unified IP Phones
Table 1-4
Results of Action
Call barged and identified as non-secure
call
Call barged and identified as
authenticated call
Call barged and identified as
authenticated call
Call barged and identified as non-secure
call
Results of Action
Non-secure conference bridge
Non-secure conference
Secure conference bridge
Non-secure conference
Secure conference bridge
Secure encrypted level conference
Secure conference bridge
Secure authenticated level conference
Only secure conference bridge is
available and used
Non-secure conference
Only non-secure conference bridge is
available and used
Non-secure conference
No music-on-hold is played
Conference remains secure
provides information about changes to
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