Protocols: LLDP-MED for VLAN discovery; IPv4; TCP (RFC 793) in SSL/TLS; Domain Name System (DNS): A records (RFC 1706), SRV records (RFC 2782), RTP (RFC 1889, 1890), RFC 5966
Security: HTTPS secure provisioning; Local Access Interface: IVR password
Protocols: 10/100/1000 Base-TX across LAN and PC ports; Conforms to IEEE802.3- 2005 (Clause 40) for physical media attachment; Conforms to IEEE802.3- 2002 (Clause 28) for link partner auto-negotiation; Manual or dynamic host configuration protocol (DHCP) network setup
Security: NETWORK AND SECURITY
IPv4/IPv6
IP Assignment: Static/DHCP
HTTP/HTTPS web server
Time and date synchronization using SNTP
Transport Layer Security (TLS)
HTTPS certificate manager
IEEE802.1X
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
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...
Camera: Ultra-HD imaging system supports:
4K, 1440p, 1080p, 900p, 720p, and SD at 30fps
1080p, 720p at 30fps and 60 fps
Additional Features: Studio-Quality Video
With an Ultra-HD imaging system, Rally delivers brilliantly sharp video, outstanding color, and exceptional optical accuracy at resolutions up to 4K. Logitech RightLight technology optimizes light balance to emphasize faces and render natural-looking skin tones, even in dim or backlit conditions.
Advanced Modular Audio
Crystal-clear audio is essential for world-class video
Additional Features: Technical Information
Features:
Directory
Speed Dial
Programmable
Display & Graphics
Screen Size:
3.5"
Screen Type:
TFT LCD
Screen Resolution:
480 x 272
Backlight:
Yes
Controls/ Indicators
Buttons & Keys:
Illuminated Buttons:
Off (dark): Line available
Green, steady: Line in use
Red, steady: Line in use by shared line
Amber, flashing: Line ringing
Illuminated Page Buttons
Off (dark): Page not in focus
Green, steady: Page in focus
Amber, flashing: Page not in focus, with one or more alerting or on-hold calls present on page
Power Description
Power Source:
AC Adapter
Input Voltage:
48 V DC
Physical Characteristics
Height:
9"
Width:
4.5"
Depth:
1.6"
Weight (Approximate):
15.80 oz
Miscellaneous
Compatibility:
Cisco 8800 IP Phones:
8851
8851NR
8861...
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
Additional Features: 6 lines, 6 SIP accounts, 7-way voice conferencing
Runs Android 4.4 and offers full access to the Google Play Store and all Android apps, such as Skype, Google Hangouts and more
Bluetooth to support syncing of headsets and mobile devices
Built-in 7-way conference bridge
4.3" (800 x 480) capacitive touch screen for easy use
Auto-sensing Gigabit port, built-in PoE support
Built-in Wi-Fi support offers mobility and network flexibility
Full HD audio support to maximize voice quality
Daisy-chain support to combine two GAC2500 together
TLS and SRTP security encryption