Cisco 8831NR Administration Manual page 36

Call Security Interactions and Restrictions
Table 9: Call Security Interactions When Using Barge
Initiator s Phone Security
Level
Nonsecure
Secure
The following table 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 10: Security Restrictions with Conference Calls
Initiator s Phone Security
Level
Nonsecure
Secure
Secure
Secure
Nonsecure
Nonsecure
Secure
Cisco Unified IP Conference Phone 8831 and 8831NR Administration Guide
26
Feature Used Call Security Level
cBarge Encrypted call
cBarge Secure call
Feature Used Security Level of
Participants
Conference Encrypted
Conference At least one member is
nonsecure.
Conference All participants are
encrypted.
Join Encrypted
cBarge All participants are
encrypted.
Meet Me Minimum security level
is encrypted.
Meet Me Minimum security level
is nonsecure
Cisco Unified IP Conference Phone 8831 and 8831NR
Results of Action
Call barged and identified
as nonsecure call
Call barged and identified
as Secure call
Results of Action
Nonsecure conference
bridge
Nonsecure conference
Secure conference bridge
Nonsecure conference
Secure conference bridge
Secure encrypted level
conference
Secure conference bridge
Conference remains
secure
Secure conference bridge
Conference changes to
nonsecure
Only nonsecure
conference bridge is
available and used
Nonsecure conference
Only secure conference
bridge available and used
Conference accepts all
calls