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Yealink T48S SIP telephone

Yealink T48S Gigabit SIP telephone


Business Class Media Phone with Touch Screen,High Definition Video and Audio
The VP-530N represents the next generation in personal IP multimedia communication. Equipped with the TI Da Vinci chipset, a 7” LCD touch screen with 800 x 480 pixels and a 2M pixel CMOS sensor camera, it supports the most advanced
H.264 codec and adaptive bandwidth adjustment technology. Guaranteed excellent face-to-face user experience even at low bandwidth. Additionally it provides external interfaces including 2 x RJ45, 1 x USB, 1 x SD, and 2.5mm headset port.
More advanced features include 3-party video conference, media player and online/o ine advertisement. With stunning video quality, advanced telephony features, rich applications, striking design, and with a sturdy
and durable structure, the VP-530N is the ideal communication device for corporate, office and residential users alike.

The T48S is an elegantly designed IP phone for executives and busy professionals. The large, 7” coloured touchscreen provides rich visual presentation and simple navigation through a wealth of productivity enhancing features. 

As well as support for corded and wireless headsets, the T48S also incorporates a USB port allowing Bluetooth headsets (via BT40 Bluetooth dongle), WiFi access (via WF40 WiFi dongle) and call recording. Auto provisioning and manual programming follow the same format as the rest of the Yealink range, making life simpler for installers and technicians. The T48S is certified compatible with 3CX, Asterisk and BroadSoft BroadWorks and many more IPPBX and hosted platforms, making it the ideal choice for busy managers.


4 VoIP accounts
7” TFT LCD touch screen, 800 x 480 pixels
Rotatable CMOS sensor camera with 2M pixels
3-party video conference
HD Voice: HD Codec, HD speaker, HD handset
Full duplex speakerphone
Dual 10/100M port RJ45 Ethernet
Open VPN (v2)

Dual port Gigabit Ethernet, Power over Ethernet

7” 800 x 480-pixel colour touchscreen with backlight

HD Voice: HD Codec, HD speaker, HD handset

16 VoIP accounts, BLF/BLA, IPV6, Open VPN

Supports Bluetooth Headsets & WiFi dongle

T4S Unified firmware and auto-provisioning

USB call recording

Hearing Aid Compatible



BT40 Bluetooth Dongle provides functionality for Bluetooth headsets

EXP40 Expansion Module adds 40 more feature keys (2 pages of 20). Up to 6 expansion modules can be added.

EHS36 Electronic Hookswitch Adaptor enables support for Plantronics, Jabra and Sennheiser DECT cordless headsets

YHS33 Headset lightweight over the-head monaural headset

WF40 Wi-Fi USB Dongle provides wireless connectivity for the T48G

Wall mountable bracket T48WM

Audio Features

4 VoIP accounts
18 one-touch soft keys BLF/DSS keys
Dial/answer selection (video or voice
call), Call forward, Call waiting, Call
transfer, Call hold, Call manager, Mute,
Redial, Auto answer, DND, Caller ID
display, Call history, Voice mail,
Message waiting indicator (MWI)
Dial number or URL via SIP server
Local and remote phonebooks, LDAP,
Black list, Group
XML central phonebook
Volume control,
Ring tone selection/import
Wallpaper, Screensaver and sleep
Video/photo/wallpaper manager
Manual and automatic date/time setting
National language selection
Multi-desktop, Icon-driven menu
Statistics when talking
Action URI/URL
Voice Features
HD voice: HD codec, HD handset, HD
Wideband codec: G.722
Narrowband codec: G.711, G.723.1,
G.729AB, G.726
Full-duplex handsfree speakerphone
with AEC
Video Features
7” digital TFT-LCD with 800x480 pixels
Rotatable CMOS sensor camera with 2M
pixels, Video codec: H.264 and H.263
Image codec: JPEG, PNG, BMP
Video format: up to D1 (720x480)@30fps
Video call output resolution: VGA
and CIF, Bandwidth selection:
Adaptive bandwidth adjustment
I-frame adjustable, Local video control
Picture-in-Picture (PIP), Full screen
TV output with PAL/NTSC format
O ine advertisement when idle
*IP camera support including pan & tilt
Video doorphone integration
3-party video conference
Network & Security Features
SIP v1 (RFC2543), v2 (RFC3261)
NAT Traversal: STUN mode
In-band, Out-of band (RFC2833)
Proxy mode and peer-to-peer SIP link
mode, IP Assignment: Static/DHCP/
Auto-provision via http, https, PnP, ftp,
tftp, TR069
VLAN QoS (802.1p/q)
Secure con guration  le via AES
Digest authentication using MD5/MD5-
sess, Admin/user con guration mode
Open VPN (v2)
Configuration: browser/phone/autoprovision
Auto-provision via http, https, PnP, ftp,
tftp, TR069
Reset to factory, Reboot
Packet trace export
System log export
Physical Features
TI DaVinci dual-core chipset, Touch
7” digital TFT-LCD with 800x480 pixels
Rotatable CMOS sensor camera with 2M
HD Handset and speakerphone
128MB  ash and 256MB DDR2 memory
27 keys including 4 soft keys
6 feature keys: Mute/Camera/Phonebook
2xLEDs for power and status indication
2xRJ45 Ethernet 10/100M ports
1xUSB2.0 port, 1xSD card slot
2.5mm headset port
PSTN port optional
A/V out: RCA style stereo audio and
composite video output
Optional power adapter: AC 100~240V
input and DC 5V/3A output
Power over Ethernet (PoE) included:
IEEE 802.3af, Class 0
Power consumption: 4~10W
Certi cations
WEEE Compliant
ROHS Compliant
Note: * Where supportedPhone Features

> HD voice: HD handset, HD speaker

> Hearing aid compatible (HAC) handset

> Codecs: Opus, 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



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, Wi-Fi through WF40, USB call recording through USB flash drive

> Enhanced DSS key



> 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

> Call park, call pickup

> Executive and Assistant

> Centralized call recording

> Visual voice mail

> 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

> 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



> Dual-port Gigabit Ethernet

> Power over Ethernet (IEEE 802.3af ), class 3

> 1 x USB port (2.0 compliant)

> 1 x RJ9 (4P4C) handset port

> 1 x RJ9 (4P4C) headset port

> 1 x RJ12 (6P6C) EXT port: Supports up to 6 Expansion Modules for an attendant console application


Other Physical Features

> Wall mountable (optional)

> External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A output

> Power consumption (PSU): 2.23-7.29W

> Power consumption (PoE): 3.19-10.78W

> Dimension (W*D*H*T): 266mm*226mm*185mm*54mm

> Operating humidity: 10~95%

> Operating temperature: -10~50°C



> Configuration: browser/phone/autoprovision

> 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/PPPoE

> HTTP/HTTPS web server

> Time and date synchronization using SNTP


> 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 Freatures

> Package content:

- Yealink SIP-T48S IP phone

- Handset with handset cord

- Ethernet Cable (2m CAT5E UTP Cable)

- Stand

- Quick Start Guide

- Power Adapter (Optional)

- Wall Mount Bracket (Optional)