Yealink T48G SIP Gigabit IP Phone

Ultra-elegant Yealink T48G SIP Gigabit IP Phone


Yealink T48G SIP Phone

The Yealink T48G SIP IP Phone is the most recent innovative IP Phone for a fast-changing world. Designed specifically for both local and international use by business, industry and commerce, it incorporates a large touch panel that makes switching between different screens and applications swift, easy and convenient. Yealink’s Optima HD technology very carefully creates the impression that you are sitting virtually face-to-face opposite the person at the other end of the call. The T48G is also built for the Gigabit Ethernet and facilitates very rapid call handling and the application of accessories such as a Bluetooth USB Dongle, plus wired and wireless headsets. The new IP Phone supports impressive productivity-enhancing features too which make it the natural and obvious efficiency tool for today’s busy executives and professionals.


Features

Revolutionary new design
Yealink Optima HD voice
Dual-port Gigabit Ethernet
PoE(802.3af) class support
7″ 800 x 480-pixel color touch screen with backlight
Support Bluetooth headset through USB Dongle
Up to 16 SIP accounts
Paper label free design
Headset, EHS support
Supports expansion modules
Wall mountable
Simple, flexible and secure provisioning options


Specification

Audio Features
  • HD voice: HD handset, HD speaker
  • Codecs: G.722, G.711(A/μ), G.723.1, G.729AB, G.726, iLBC
  • DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
  • Full-duplex hands-free speakerphone with AEC
  • VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
  • 16 VoIP accounts
  • Call hold, mute, DND
  • One-touch speed dial, hotline
  • Call forward, call waiting, call transfer
  • Group listening, emergency call
  • Redial, call return, auto answer
  • 3-way conferencing
  • Direct IP call without SIP proxy
  • Ring tone selection/import/delete
  • Set date time manually or automatically
  • Dial plan, XML Browser, action URL/URI
  • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
Directory
  • Local phonebook up to 1000 entries
  • Black list
  • XML/LDAP remote phonebook
  • Intelligent search method
  • Phonebook search/import/export
  • Call history: dialed/received/missed/forwarded
IP-PBX Features
  • Busy Lamp Field (BLF)
  • Bridged Line Appearance (BLA)
  • Anonymous call, anonymous call rejection
  • Remote office, hot-desking
  • Message Waiting Indicator (MWI)
  • Voice mail, call park, call pickup
  • Intercom, paging, music on hold
  • Call completion, call recording
Display and Indicator
  • 7″ 800 x 480-pixel color touch screen with backlight
  • 24 bit depth color
  • LED for call and message waiting indication
  • Wallpaper
  • Intuitive user interface with icons and soft keys
  • National language selection
  • Caller ID with name, number and photo
Feature keys
  • 29 one-touch DSS keys
  • 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone
  • 6 navigation keys
  • Volume control keys
  • Illuminated mute key
  • Illuminated headset key
  • Illuminated hands-free speakerphone key
Interface
  • Dual-port Gigabit Ethernet
  • Power over Ethernet (IEEE 802.3af), class 3
  • Support Bluetooth headset through USB Dongle
  • 1xRJ9 (4P4C) handset port
  • 1xRJ9 (4P4C) headset port
  • 1XRJ12 (6P6C) EXT port: Supports up to 6 Expansion Modules for an attendant console application
Other Physical Features
  • Wall mountable (optional)
  • External universal AC adapter (optional): AC 100~240V input and DC 5V/2A output
  • Power consumption (PSU): 2.0-6.4W
  • Power consumption (PoE):2.4-10.5W
  • Dimension(W*D*H*T): 266mm*226mm*185mm*54mm
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C
Management
  • Configuration: browser/phone/auto-provision
  • Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
  • Auto-provision with PnP
  • Zero-sp-touch, TR-069
  • Phone lock for personal privacy protection
  • Reset to factory, reboot
  • Package tracing export, system log
Network and Security
  • SIP v1 (RFC2543), v2 (RFC3261)
  • Call server redundancy supported
  • NAT transverse: STUN mode
  • Proxy mode and peer-to-peer SIP link mode
  • IP assignment: static/DHCP/PPPoE
  • HTTP/HTTPS web server
  • Time and date synchronization using SNTP
  • UDP/TCP/DNS-SRV(RFC 3263)
  • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
  • SRTP for voice
  • Transport Layer Security (TLS)
  • HTTPS certificate manager
  • AES encryption for configuration file
  • Digest authentication using MD5/MD5-sess
  • OpenVPN, IEEE802.1X
  • IPv6