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
Specifications: Display:
4.3" 272 x 480-pixel color display with backlight
16 bit depth color
Three page views are possible
Different color icons for each function shown on the LCD
Features Keys and Indicator:
20 physical keys each with a dual-color LED
40 additional keys through page switch
3 independent control keys with illuminated LED are used for fast switching pages
Programmable for shared line, BLF List, call park,conference, forward, group pickup, group listening, LDAP, XML Browser
Features:
Wallpaper
Screensaver
Power saving
Avatar Display on SFB and UC platform (pending)
Stand with 2 adjustable angles
For support of two or three Expansion Modules, an external Yealink power adapter (5V / 2A) is required.
Up to three EXP50 can be attached on any Yealink
T5 Series IP phones:
USB port (2.0 compliant) for data in and out
USB port (2.0 compliant) for: wired / wirele...
Protocols: DHCP VLAN discovery; LLDP-MED for VLAN discovery; FTP/TFTP/HTTP/HTTPS server-based central provisioning; Hardware diagnostics; Manual or dynamic host configuration protocol (DHCP) network setup; Network address translation support for static configuration and Keep-Alive; QoS Support — IEEE 802.1p/Q tagging
(VLAN), Layer 3 TOS, and DHCP; Status and statistics reporting; Syslog Event Logging; Conforms to IEEE802.3-2005 (Clause 40) for physical media attachment; Conforms to IEEE802.3-2002 (Clause 28) for link partner auto-negotiation; Time and date synchronization using SNTP; RTCP and RTP support; IPv4; IPv6; Provisioning and call server redundancy support; DNS-SRV; UDP; SIP protocol support; IETF SIP (RFC 3261 and companion RFCs)
Security: 802.1X Authentication and EAPOL Media encryption via SRTP; Diges...
Power: Cable length: 3.94 ft / 1.2 m
Capacity: 3640mAh
Battery Life: 40hrs when connected via Bluetooth at 50% speaker volume
Charging speed: 3.5hrs from 0%~100%
Additional Features: Polycom Acoustic Clarity full duplex (IEEE 1329 Type 1)
Up to 7 ft. microphone pickup range
Gated microphones with intelligent microphone mixing
Dynamic Noise Reduction
Network Interface:
Analog PBX or public switched telephone
19-key telephone keypad including:
- On-hook/Off-hook
- Flash, Redial, Mute, Hold
- Volume Up, Volume Down
Microphone: 3 Sensitive microphones that offer 360-degree room coverage
Frequency response: 300-3500 Hz
Speakerphone: Frequency response: 300 to 3300 Hz
Volume: Adjustable to 86 dBA SPL (peak) volume at 0.5 m
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
AES encryption for configuration file
Protocols: DHCP VLAN discovery; LLDP-MED for VLAN discovery; FTP/TFTP/HTTP/HTTPS server-based central provisioning; Hardware diagnostics; Manual or dynamic host con?guration protocol (DHCP) network setup; Network address translation support for static configuration and Keep-Alive; QoS Support — IEEE 802.1p/Q tagging (VLAN), Layer 3 TOS, and DHCP; Status and statistics reporting; Syslog Event Logging; Conforms to IEEE802.3-2005 (Clause 40) for physical media attachment; Conforms to IEEE802.3-2002 (Clause 28) for link partner auto-negotiation; Time and date synchronization using SNTP; RTCP and RTP support; IPv4; IPv6; Provisioning and call server redundancy support; DNS-SRV; UDP; SIP protocol support; IETF SIP (RFC 3261 and companion RFCs)