All stock codes associated to this product
SIP-T48U, SIPT48U, IPYT48U, IPY-T48U, 1301204, II185074, 6938818304321
Yealink SIP-T48U IP Phone - Grey
Overview
Yealink presents a dynamic business communication solution to executives and
professionals with the new SIP-T48U IP phone. The phone employs and appealing
large touch screen that makes the switch between pages and applications swift,
easy and convenient. United Yealink Optima HD Voice technology and wideband
codec of Opus, the T48U awards you the superb audio quality and crystal-clear
voice communications. Moreover, the T48U puts dual USB ports in a phone that
makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use
any two of them freely according to your needs. The Yealink new T4U series
offers the same elegant appearance as the T4 line, but with improvements for
greater interoperability and better collaboration.
Easy Customization and High Expansibility
The SIP-T48U has a seven-inch, 800 x 480-pixel, backlit- color touch screen,
which enables a rich visual presentation and easy navigation. Accompanied by two
USB ports, the T48U is your right-hand man in the office that makes Bluetooth,
Wi-Fi, USB headset and USB recording possible, and you can use any two of them
freely according to your needs to enrich phone features. Meanwhile, the phone
not only has 29 one-touch DSS keys that can be easily programmed to various
features, but also can connect up to three expansion modules, for up to 180
additional buttons with a screen-based LCD display and LED
system.
HD Audio
Yealink Optima HD Voice technology combines cutting-edge hardware and
software with wideband technology for maximum acoustic performance. Being a
totally open, highly versatile audio codec, Opus, is designed to perform a
higher HD audio quality than other wideband codecs in a high network bandwidth;
However, if your current network quality is poor, Opus can provide you with a
better audio quality than other narrowband codecs. And its hearing aid
compatible (HAC) handset helps the person who is with hearing loss to hear the
voice more clearly.
Efficient Installation and Provisioning
Yealink T4U series supports efficient provisioning and effortless mass
deployment with Yealinks Redirection and Provisioning Service (RPS) and Boot
mechanism to help you realize the Zero Touch Provisioning without any complex
manual settings, which makes the T4U series simple to deploy, easy to maintain
and upgrade. Furthermore, a unified firmware and auto-p template that applies to
all T42U (pending)/T43U/T46U/T48U phone models, saves even more time and costs
for businesses, as well as simplifies the management and
maintenance.
Secure Transport and Interoperability
Yealink T4U series uses SIP over Transport Layer Security (TLS/SSL), which is
the latest network security technology. Its also compatible with leading soft
switch suppliers, such as 3CX, Broadsoft Broadworks. Moreover, it is carried
with dual fimrware images that gives you a enterprise-level protection to avoid
bricking your system once upgrade failed.
Features
- 7" 800 x 480-pixel color touch screen with backlight
- Opus codec support
- Dual USB ports
- Dual firmware images
- T42U (pending)/T43U/T46U/T48U Auto-P template unified
- T42U (pending)/T43U/T46U/T48U firmware unified
- Up to 16 SIP accounts
- Dual-port Gigabit Ethernet
- PoE support
- Paperless label design
- Headset, EHS support
- Wi-Fi via WF40 / WF50
- Bluetooth via BT40/BT41
- USB recording
- Supports color-screen expansion modules
- Stand with two adjustable angles
- Wall mountable
Specifications
Audio Features
- HD voice: HD handset, HD speaker
- Hearing aid compatible (HAC) handset
- Acoustic Shield
- Codecs: AMR-WB (optional), AMR-NB (optional), Opus, G.722, G.711(A/),
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/BT41
- Contact synchronization through BT40/BT41
- Wi-Fi through WF40/WF50
- USB call recording through USB flash drive
- USB headset
- Expansion Module EXP43
- Wireless Headset Adapter EHS40
- Enhanced DSS key
Directory
- Local phonebook up to 1000 entries
- Black list
- XML/LDAP remote phonebook
- Smart dialing
- Phonebook search/import/export
- Call history: dialed/received/missed/forwarded
IP-PBX Features
- Busy Lamp Field (BLF), Bridged Line Apperance (BLA)
- Anonymous call, anonymous call rejection
- Hot-desking, voice mail
- Flexible seating, Executive and Assistant
- Call park, call pickup
- Centralized call recording, 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
- Multilingual user interface
- Caller ID with name, number and photo
- Screensaver
- Power saving
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
- 2 x USB port (2.0 compliant)
- 1 x RJ9 (4P4C) handset port
- 1 x RJ9 (4P4C) headset port
Other Physical Features
- Color: Classic Grey
- Wall mountable (optional)
- External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A
output
- USB output currency: 5V 1A
- Power consumption (PSU): 1.8-3.8W
- Power consumption (PoE): 2.3-4.7W
- Dimension (W*D*H*T): 266mm*226mm*185mm*54mm
- Operating humidity: 10~95%
- Operating temperature: 0~40C (+32~104F)
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 traversal: STUN mode
- Proxy mode and peer-to-peer SIP link mode
- IP assignment: static/DHCP
- 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
- OpenVPN, IEEE802.1X
- IPv6
- LLDP/CDP/DHCP VLAN
- ICE
Package Features
- Package content:
- Yealink SIP-T48U IP phone
- Handset with handset cord
- Ethernet Cable (2m CAT5E UTP Cable)
- Stand
- Quick Start Guide
- Power Adapter (Optional)
- Wall Mount Bracket (Optional)
- Qty/CTN: 5 PCS
- N.W/CTN: 7.9 kg
- G.W/CTN: 8.4 kg
- Giftbox size: 324mm*263mm*128mm
- Carton Meas:
660mm*338mm*273mm
