ULTRA ELEGANT GIGABIT IP PHONE SIP-T48G

The SIP-T48G is Yealink’s most recent innovative ULTRA ELEGANT 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 ULTRA ELEGANT IP PHONE supports impressive productivity-enhancing features too which make it the natural and obvious efficiency tool for today’s busy executives and professionals.


  • Revolutionarily new design
  • Yealink Optima HD voice
  • Dual-port Gigabit Ethernet
  • 2.7″ 192×64-pixel graphical LCD with backlight
  • Up to 12 SIP accounts
  • Paper label free design
  • PoE support
  • Headset, EHS support
  • Integrated stand with 2 adjustable angles
  • Wall mountable
  • Simple, flexible and secure provisioning options

Audio Features

Directory

Interface

  • 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
  •  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
  • Dual-port Gigabit Ethernet
  • Power over Ethernet (IEEE 802.3af), class 3
  • Built-in a USB port, 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

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 webserver
  • 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 the configuration file
  • Digest authentication using MD5/MD5-sess
  • OpenVPN, IEEE802.1X
  • IPv6

Management

IP-PBX Features

Package Features

  • 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
  • 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
  • Qty/CTN: 5 PCS
  • N.W/CTN: 8.2 kg
  • G.W/CTN: 9 kg
  • Giftbox size: 324mm*263mm*128mm
  • Carton Meas: 660mm*338mm*273mm

Display and Indicator

Feature Keys

Other Physical Features

  • 7″ 800 x 480-pixel color touch screen with backlight
  • 24-bit depth color
  • LED for call and message waiting for an indication
  • Wallpaper
  • Intuitive user interface with icons and soft keys
  • National language selection
  • Caller ID with name, number, and photo
  • 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
  • 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


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
  • Message Waiting Indicator (MWI)
  • Voice mail, call park, call pickup
  • Intercom, paging, music on hold
  • Call completion, call recording
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