| Configuring the Security Features | 237
Supported Cipher Suites
The system supports TLS version 1.0, 1.1 and 1.2. A cipher suite is a named combination of
authentication, encryption, and message authentication code (MAC) algorithms used to negotiate the
security settings for a network connection by using the TLS/SSL network protocol. The system supports
the following cipher suites:
• DHE-RSA-AES256-SHA
• DHE-DSS-AES256-SHA
• AES256-SHA
• EDH-RSA-DES-CBC3-SHA
• EDH-DSS-DES-CBC3-SHA
• DES-CBC3-SHA
• DES-CBC3-MD5
• DHE-RSA-AES128-SHA
• DHE-DSS-AES128-SHA
• AES128-SHA
• RC2-CBC-MD5
• IDEA-CBC-SHA
• DHE-DSS-RC4-SHA
• RC4-SHA
• RC4-MD5
• RC4-64-MD5
• EXP1024-DHE-DSS-DES-CBC-SHA
• EXP1024-DES-CBC-SHA
• EDH-RSA-DES-CBC-SHA
• EDH-DSS-DES-CBC-SHA
• DES-CBC-SHA
• DES-CBC-MD5
• EXP1024-DHE-DSS-RC4-SHA
• EXP1024-RC4-SHA
• EXP1024-RC4-MD5
• EXP-EDH-RSA-DES-CBC-SHA
• EXP-EDH-DSS-DES-CBC-SHA
• EXP-DES-CBC-SHA
• EXP-RC2-CBC-MD5
• EXP-RC4-MD5
TLS Transport Protocol
When using SIP account, SIP IP call, or logging in to Zoom, Pexip, BlueJeans or a custom third-party
platform, you can choose the TLS transport method for the SIP protocol to ensure the confidentiality of the
communication and the security of the information transmission.
About this task
the third generation VCS devices running in Yealink Cloud system mode Do not support using SIP
accounts or logging into Zoom, Pexip, BlueJeans or other customized third-party platforms.
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