3 Line | VoIP Phone


Affordable SIP-T40P IP Phone with Three Lines & HD Voice

The affordable Yealink SIP-T40P comes equipped with enhanced call management including busy lamp field (BLF) keys, 3 way calling and three pages of 6 configurable buttons on the backlit display.

The T40P has been certified to work with a range of software providers such as 3CX, Asterisk, and BroadSoft Broadworks.

Key Features and Benefits


Revolutionary new design
> Yealink Optima HD voice
> 132×64-pixel graphical LCD
with backlight
> Up to three SIP accounts
> Paper label-free design
> Opus codec support
> PoE support
> Headset, electronic hook
switch (EHS) support
> Integrated stand with two
adjustable angles
> Wall mountable
> Simple, flexible and secure
provisioning options

Revolutionary New Design
Yealink’s SIP Phones continue to evolve alongside the company. From the initial strategizing
phase to the development stages, the robust T4 Series, including the SIP-T40P, ensures an
optimum user experience first and foremost. Even in the smallest of details, such as the
solution’s new paper label-free design, simple-to-use foot stand, non-slip rubber feet and
ergonomic recessed buttons, ease of use is at the forefront of the product.

HD Audio
Yealink’s Optima HD Voice refers to functionality involves the combination of software and
hardware design as well as the implementation of wideband technology and advanced
acoustic elements such as duplex, echo cancellation, and adaptive jitter buffer in order to
maximizes the product’s acoustic performance. This creates an amazing unparalleled
face-to-face, live experience.

Enhanced Call Management
The SIP-T40P supports vast productivity-enhancing feature such as SCA, BLF List, call forward,
call transfer, three-way conference. Furthermore, this SIP phone provides support for the
Yealink YHS32. What’s more, with EHS36 the user can conveniently control his or her phone
through a wireless headset.

Efficient Installation and Provisioning
Integrated IEEE 802.3af (PoE) allows for easy deployment with centralized powering and
backup. The SIP-T40P supports FTP, TFTP, HTTP, and HTTPS protocols for file provisioning and
is configured by default to use Trivial File Transfer Protocol (TFTP). Additionally, the phone
supports AES encrypted XML configuration files.

Highly secure transport and interoperability
The SIP-T40P uses SIP over Transport Layer Security (TLS/SSL) in order to arm service providers
the latest technology for enhanced network security. The entire T40P phone range is certified
compatible with 3CX and BroadSoft Broadworks, supporting excellent compatibility with
leading soft switch suppliers to ensure the most seamless deployment and installation

SIP-T40P Specifications

Audio Features
> HD voice: HD handset, HD speaker
> Wideband codec: AMR-WB (optional), Opus, G.722
> Narrowband codec: G.711(A/µ), 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
> 3 VoIP accounts
> One-touch speed dial, redial
> Call forward, call waiting
> Call transfer, call hold
> Call return, group listening, SMS
> Mute, auto answer, DND
> 3-way conference call
> Direct IP call without a SIP proxy
> Ringtone selection/import/delete
> Hotline, emergency call
> Set date time manually or automatically
> Dial Plan
> XML Browser
> Action URL/URI
> RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
> Enhanced DSS Key

IP-PBX Features
> Busy Lamp Field (BLF)
> Bridged Line Appearance(BLA)
> Anonymous call, anonymous call rejection
> Hot-desking, voice mail
> Message Waiting Indicator (MWI)
> Call park, call pickup
> Intercom, paging, music on hold
> Call recording
> Flexible seating
> Executive and Assistant
> Centralized call recording
> Visual Voice Mail

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
> QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS
> SRTP for voice
> Transport Layer Security (TLS)
> HTTPS certificate manager
> AES encryption for configuration file
> Digest authentication
> OpenVPN, IEEE802.1X
> IPv6

Package Features
> Package content:
– Yealink SIP-T40P 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: 5.7 kg
> G.W/CTN: 6.4 kg
> Giftbox size: 246mm*223mm*120mm
> Carton Meas: 620mm*256mm*233mm

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