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Cisco Unified IP Phone Administration Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)
OL-23091-01
Chapter 1 An Overview of the Cisco Unified IP Phones
Understanding Security Features for Cisco Unified IP Phones
Tab l e 1-6 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 For Cisco Unified IP Phones 7962G and 7942G:
• Only non-secure conference bridge is available
and used
• Non-secure conference
For Cisco Unified IP Phones 7961G and 7941G:
• Conference remains secure
• When one participant tries to Hold the call with
MOH, the MOH does not play.
Secure (encrypted
or authenticated)
Conference For Cisco Unified IP Phones
7962G and 7942G:
• Encrypted or secure
For Cisco Unified IP Phones
7961G and 7941G:
• Member puts call on Hold
with MOH
For Cisco Unified IP Phones 7962G and 7942G:
• Conference remains secure. When one
participant tries to hold the call with MOH, the
MOH does not play.
For Cisco Unified IP Phones 7961G and 7941G:
• 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” and the call is rejected.