Cisco 7941G - Unified IP Phone VoIP, Administration Manual

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Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
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Cisco Unified IP Phone 7961G/7961G-GE and 7941G/7941G-GE for Cisco Unified Communications Manager 6.1
OL-14620-01
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.
Table 1-4 Call Security Interactions When Using Barge
Initiator’s Phone
Security Level
Feature Used
Call Security
Level
Results of Action
Non-secure Barge Encrypted call Call barged and identified as non-secure call
Secure (encrypted) Barge Authenticated
call Call barged and identified as authenticated
call
Secure
(authenticated) Barge Encrypted call Call barged and identified as authenticated
call
Non-secure Barge Authenticated
call Call barged and identified as non-secure call
Table 1-5 Security Restrictions with Conference Calls
Initiator’s Phone
Security Level
Feature Used
Security Level of
Participants
Results of Action
Non-secure Conference Encrypted or
authenticated Non-secure conference bridge
Non-secure conference
Secure (encrypted
or authenticated) Conference At least one member is
non-secure Secure conference bridge
Non-secure conference
Secure (encrypted) Conference All participants are
encrypted Secure conference bridge
Secure encrypted level conference
Secure
(authenticated) Conference All participants are
encrypted or authenticated Secure conference bridge
Secure authenticated level conference
Non-secure Conference Encrypted or
authenticated Only secure conference bridge is
available and used
Non-secure conference