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Polycom CX5500 Unified Conference Station Administrator’s Guide
1.1.0
Polycom, Inc.
185
Cipher
Cipher Suite
AES256
AES256-SHA
DES
DES-CBC-SHA, DES-CBC3-SHA
DHE
DHE-DSS-AES128-SHA, DHE-DSS-AES256-SHA, DHE-RSA-AES128-SHA, DHE-RSA-
AES256-SHA
EXP
EXP-RC4-MD5, EXP-DES-CBC-SH, EXP-EDH-DSS-DES-CBC-SHA, EXP-DES-CBC-SHA,
EXP-ADH-RC4-MD5, EXP-ADH-DES-CBC-SHA, EXP-EDH-RSA-DES-CBC-SHA
EDH
EDH-RSA-DES-CBC-SHA, EDH-DSS-DES-CBC3-SHA, EDH-DSS-CBC-SHA
NULL
NULL-MD5, NULL-SHA
RC4
RC4-MD5, RC4-SHA
Tip: Changes to the Default TLS Cipher Suites in UC Software 4.0.0
Changes have been made to the default TLS cipher suites in UC Software 4.0.0. If you created
customized TLS cipher suites in a previous release of the UC Software, your changes will be lost
unless you backup the configuration files.
Configurable TLS Cipher Suites
Central Provisioning Server
template
>
parameter
Specify the global cipher list
site.cfg
>
sec.TLS.cipherList
Specify the cipher list for a specific TLS Platform Profile or TLS
Application Profile
site.cfg
>
sec.TLS.<application>.cipherList
Web Configuration Utility
To specify the cipher list for a specific TLS Platform Profile or TLS Application Profile, navigate to
Settings >
Network > TLS
and expand the
TLS Profiles menu
.
Local Phone User Interface
To specify the cipher list for a specific TLS Platform Profile or TLS Application Profile, navigate to
Settings >
Advanced > Admin Settings > TLS Profiles > Configure TLS Profiles
, select a profile, and choose
Configure
Cipher Suite
.
Secure Real-Time Transport Protocol
Secure Real-Time Transport Protocol (SRTP) provides a way of encrypting audio stream(s) to avoid
interception and eavesdropping on phone calls. As described in RFC 3711, both RTP and RTCP
signaling may be encrypted using an AES (advanced encryption standard) algorithm. The parameters
used to configure SRTP are shown in
Secure Real Time Transport Protocol Parameters
. When this
Summary of Contents for CX5500
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