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.

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Description

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 and a Wi-Fi USB Dongle. 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

 

Revolutionarily new design

Yealink Optima HD voice
Dual-port Gigabit Ethernet
PoE(802.3af) class support
7″ 800 x 480-pixel color touch screen with back light
Wi-Fi via WF40
Bluetooth via BT40
USB recording
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)
USB port (2.0 compliant) for:
Bluetooth earphone through BT40,
Contact synchronization through BT40,
Wi-Fi through WF40,
USB call recording through USB flash drive
Enhanced DSS Key

 

 

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

Executive and Assistant
Centralized call recording
Visual voice mail

 

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

Power saving

Screensaver

 

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
1 x USB port (2.0 compliant)
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

 

Package Features
Package content:
Yealink SIP-T48G IP phone
Handset with handset cord
Ethernet Cable (2m CAT5E FTP Cable)
Stand
Quick Start Guide
Power Adapter (Optional)

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

 

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