Yealink Teams Series, Administrator'S Manual

Page: 77 / 112

| Security Features | 77
Default
0
Web UI Features > Phone Lock > Phone Lock Enable
Phone UI
> Settings > Device Settings > Phone Lock > Lock Enable
Parameter phone_setting.phone_lock.lock_time_out <y0000000000xx>.cfg
Description It configures the interval (in seconds) to automatically lock the phone.
Permitted Values Integer from 30 to 3600
Default 900
Web UI Features > Phone Lock > Idle time-out(30~3600s)
Phone UI
> Settings > Device Settings > Phone Lock > Idle time-out
Transport Layer Security (TLS)
TLS is a commonly-used protocol that provides communications privacy and manages the security of message
transmission, allowing the phones to communicate with other remote parties and connect to the HTTPS URL for
provisioning in a way that is designed to prevent eavesdropping and tampering.
Yealink Teams IP phones support TLS 1.0, TLS 1.1 and TLS 1.2.
•
Supported Cipher Suites
• Supported Trusted and Server Certificates
• TLS Configuration
Supported Cipher Suites
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 using the TLS/SSL network protocol.
Yealink Teams IP phones support 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