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 7931G Administration Guide for Cisco Unified Communications Manager 6.0
OL-12457-01
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
Secure (encrypted
or authenticated)
Conference Encrypted or
authenticated
Only non-secure conference bridge is
available and used
Non-secure conference
Secure (encrypted
or authenticated)
Conference Member puts call
on Hold with
MOH
No music-on-hold is played
Conference remains secure
Secure (encrypted) Join Encrypted or
authenticated
Secure conference bridge
Conference remains secure (encrypted
or authenticated)
Non-secure cBarge All participants are
encrypted
Secure conference bridge
Conference changes to non-secure
Non-secure MeetMe Minimum security
level is encrypted
Initiator receives message “Device Not
Authorized”, call rejected.
Secure (encrypted) MeetMe Minimum security
level is
authenticated
Secure conference bridge
Conference accepts encrypted and
authenticated calls
Secure (encrypted) MeetMe Minimum security
level is non-secure
Only secure conference bridge available
and used
Conference accepts all calls
Table 1-5 Security Restrictions with Conference Calls (continued)
Initiator’s Phone
Security Level Feature Used
Security Level of
Participants Results of Action
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