Cisco 7931G - Unified IP Phone VoIP Podręcznik - Strona 19

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Cisco 7931G - Unified IP Phone VoIP Podręcznik

Cisco Unified IP Phone 7931G

Initiator phone security

level

Secure (authenticated)

Nonsecure

The following table provides information about changes to conference security levels, which depend on the

initiator phone security level, the security levels of participants, and the availability of secure conference

bridges.

Table 5: Security Restrictions with Conference Calls

Initiator phone

security level

Nonsecure

Secure (encrypted

or authenticated)

Secure (encrypted)

Secure

(authenticated)

Nonsecure

Secure (encrypted

or authenticated)

Secure (encrypted

or authenticated)

Call security level

Encrypted call

Authenticated call

Feature used

Conference

Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 9.0 (SCCP and SIP)

Authenticated, Encrypted, and Protected Phone Calls

Results of action

Call barged and identified as authenticated call

Call barged and identified as nonsecure call

Security level of

participants

Encrypted or authenticated

At least one member is

nonsecure.

All participants are

encrypted

All participants are

encrypted or authenticated.

Encrypted or authenticated

Secure or encrypted

Results of action

Nonsecure conference bridge

Nonsecure conference

Secure conference bridge

Nonsecure conference

Secure conference bridge

Secure encrypted level

conference

Secure conference bridge

Secure authenticated level

conference

Only secure conference bridge

is available and used

Nonsecure conference

Only nonsecure conference

bridge is available and used

Nonsecure conference

Conference remains secure

When one participant tries to

Hold the call with Music on

Hold (MOH), the MOH does

not play.