Yealink SIP-T48G Ultra-Elegant Gigabit IP Phone

The
SIP-T48G is Yealink’s 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

7" 800 x 480-pixel touch screen with
backlight

Built-in a USB port, support Bluetooth
headset(Through USB Dongle)

Up to 6 SIP accounts

Paper label free design

PoE support

Headset, EHS support

Supports expansion modules

Stand with 2 adjustable angles

Wall mountable

Yealink
SIP-T48G Specifications

Audio
Features

HD voice: HD handset, HD speaker

Codecs: G.722, G.711(A/μ), G.723.1, G.729AB,
G.726, GSM, 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

IP-PBX
Features

Busy Lamp Field (BLF)

Bridged Line Apperance(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

Phone
Features

6 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 U RL/URI

Directory

Loal phonebook up to 1000 entries

Black list

XML/LDAP remote phonebook

Intelligent search method

Phonebook search/import/export

Call history:
dialed/received/missed/forwarded

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

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

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%

Storage temperature: -10~50°C

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

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