Cisco 7961G-GE - IP Phone VoIP Administration Manual page 39

Chapter 1 An Overview of the Cisco Unified IP Phone
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 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
Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.0
OL-11953-01
Call Security
Level
Encrypted call
Authenticated
call
Encrypted call
Authenticated
call
Table 1-5 provides information about changes to conference security levels
depending on the initiator's phone security level, the security levels of
participants, and the availability of secure conference bridges.
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
Understanding Security Features for Cisco Unified IP Phones
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
1-21