Gigabit IP Phone with Three Lines & HD Voice
Yealink SIP-T40G is a feature-rich SIP phone that enhances daily interoperability and unifys communications for busy managers. Designed with a revolutionary new appearance, it supports flexible and secure provisioning (the phone utilizes industry-standard encryption protocols for users to provision and perform software upgrades both in-house and remotely), this advanced IP phone is intuitively designed with ease-of-use in mind. The T40G is also built with the Gigabit Ethernet for rapidly facilitating call handling, and its programmable keys help boast extensive productivity-enhancing features, like BLF, SCA, call transfer, etc. Meanwhile, equipped with the feature of Power over Ethernet (PoE), superb high definition (HD) sound quality and a rich visual experience, the SIP-T40G IP Phone maximizes your personal productivity in a superior way.

Yealink T4S series IP Phones
Yealink’s T4S series is the upgraded IP phone line of Yealink’s former T4 series. Designed for today’s busy executives and managers, the T4S series features an elegant appearance, Optima high-definition audio quality and a remarkable phone experience. Integrating cutting-edge features like Wi-Fi and Bluetooth connectivity, the T4S series enriches business users’ daily collaboration. It also protects business users’ investment with its effortless deployment and broad interoperability with UC platforms and IP PBX systems.

Optima HD Audio
With Yealink’s Optima HD audio technologies, industry-leading acoustic clarity and newly-added support for Opus* to its broad audio codec list, the Yealink T4S guarantees a lifelike collaboration experience.
* By supporting Opus, Yealink T4S series delivers better audio quality in both high-bandwidth and poor network conditions, comparing to other wideband or narrowband codecs.

Elegant Industrial Design
The cutting-edge design of the Yealink T4S series includes telephony superiority as well as an elegant appearance. The use of premium materials testifies to its manufacturing excellence.

Remarkable User Experience
The Yealink T4S series delivers excellent stability and performance with its latest advanced components. The phones feature an optimized interface for a smartphone-like user experience. Its rich one-touch soft keys allow for customization, bringing additional convenience and increasing productivity.

Additional Convenience and Flexibility
In addition to the T46S and the T48S, the new T41S and T42S are equipped with a built-in USB port, meaning the entire T4S series supports extended functions such as USB call recording, Bluetooth and Wi-Fi connectivity for more flexibility and functionalities

Effortless Configuration and Upgrade
The Yealink T4S supports efficient provision and effortless mass deployment with Yealink’s free Redirection and Provisioning Service(RPS). Furthermore, the T4S features a unified firmware and an auto-p template that apply to all phone models (T41S, T42S, T46S and T48S), saving even more time and IT costs for businesses.

Specification

Product
Product id	580115
Brand	Yealink Network Technology
Partnr	SIP-T40G
EAN/UPC code	6938818301689
Technical details
Speakerphone	Y
Display
Display	LCD
Display resolution	132 x 64 Pixels
Display diagonal	2.3 inch
Backlight display	Y
Touchscreen	N
Phone features
Lines quantity	3 regels
Caller ID	Y
Redialing	Y
Conference call	Y
Call forwarding	Y
Call hold	Y
Intercom	Y
Speed dialling	Y
Number of VoIP accounts	3
Call return	Y
Call transfer	Y
Phonebook capacity	1000 entries
Message-waiting indicator (MWI)	Y
Short Message Service (SMS)	Y
Call park	Y
Call pick up	Y
Anonymous call	Y
Anonymous call rejection	Y
Full duplex	Y
Audio
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
Network
Bluetooth	N
Ethernet LAN	Y
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Wi-Fi	N
Quality of Service (QoS) support	Y
Networking standards	IEEE 802.3af
Camera
Front camera	N
Security
Security algorithms	AES, HTTPS, SSL/TLS
Ports & interfaces
Ethernet LAN (RJ-45) ports	2
RJ-9 ports quantity	2
DC-in jack	Y
RJ-11 ports quantity	1
Power
AC adapter input voltage	100 - 240 V
Power over Ethernet (PoE)	Y
Power consumption (typical)	1.6 W
AC adapter output voltage	5 V
AC adapter output current	0.6 A
Design
Product type	IP phone
Handset type	Wired handset
Wall mountable	Y
Mounting	Desk/Wall
Weight & dimensions
Width	212 mm
Depth	175 mm
Height	54 mm
Management features
Integrated voicemail	Y
Volume control	Digital
Colour
Product colour	Black
Microphone
Microphone mute	Y
Operational conditions
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 procent
Certificates
Certification	CE, FCC, ISO 9001
Packaging content
Number of handles included	1 stuk(s)