Specifications: Interfaces:
Telephone Interfaces Two (2) FXS ports
Network Interfaces One (1) 10/100 Mbps auto-sensing ethernet ports (RJ45)
LED Indicators POWER, INTERNET, PHONE1, PHONE2
Factory Reset Button Yes
Voice, Fax, Modem:
Telephony Features Caller ID display or block, call waiting, flash, blind or attended transfer, forward,
hold, do not disturb, 3-way conference
Voice Codecs G.711 with Annex I (PLC) and Annex II (VAD / CNG), G.723.1, G.729A/B, G.726, iLBC,
OPUS, dynamic jitter buffer, advanced line echo cancellation
Fax Over IP T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax
Pass-through
Short / Long Haul Ring Load 2 REN: Up to 1 km on 24 AWG
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID
Disconnect Methods Busy Tone, Polarity Reversal / Wink, Loop Current
Signaling:
Network Protocols...
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...
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
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
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...