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Cisco Unified IP Phone 7975G Administration Guide for Cisco Unified Communications Manager 7.0 (SCCP and SIP)
OL-15790-01
Chapter 1 An Overview of the Cisco Unified IP Phone
Understanding Security Features for Cisco Unified IP Phones
Supporting 802.1X Authentication on Cisco Unified IP Phones
These sections provide information about 802.1X support on the Cisco Unified IP Phones:
•
Overview, page 1-16
•
Required Network Components, page 1-16
•
Best Practices—Requirements and Recommendations, page 1-16
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
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 “Does not meet
Security Level”, 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