Features: You can rotate the boom arm 360 degrees
HD Voice / Wideband Audio
Noise-Canceling Microphone
PeakStop instantly removes any harmful loud sounds
Reinforced cord
Air shock microphone
Security: Security management
802.1X Authentication and EAPOL Media encryption via SRTP; Digest authentication; Encrypted configuration files; HTTPS secure provisioning; Password login; Support for signed software executables; Support for URL syntax with password; Transport Layer Security (TLS); SRTP media encryption using AES 256 bits
Security: IPv4/IPv6
IP Assignment: Static/DHCP
Proxy mode
HTTP/HTTPS web server
Time and date synchronization using SNTP
Transport Layer Security (TLS)
HTTPS certificate manager
IEEE802.1X
Display: 1.8" 128x160 TFT color screen
Intuitive user interface with icons and soft keys
Caller ID with name and number
Notification Light: voice mail, missed call
Date & time (manual/auto synchronization)
Screen saver
Multilingual user interface
Keypad backlight
Features: Mid-level phone, ideal for professionals and managers with moderate call load
4.3" 480x272-pixel color display, fully adjustable
HD Voice with Yealink Acoustic Shield technology
10 line keys, 16 SIP accounts, 27 memory keys
Built-in Bluetooth, Wi-Fi
Dual-port Gigabit Ethernet
1xUSB port for call recording and wireless USB headset
Power supply not included
Security: User and administrator level access control, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control