Specification Sheet

> Yealink HD Voice

> 132 x 64-pixel graphical LCD

with backlight

> Two-port 10/100M Ethernet Switch

> PoE support

> Opus codec support

> Up to 2 SIP accounts

> Headset support

> Wall mountable

> Simple, flexible and secure

provisioning options

Key Features and Benefits

HD Audio

Yealink HD voice refers to the combination of software and hardware design as well as the

implementation of wideband technology to maximize the acoustic performance. Coupled

with advanced acoustic clarity technology such as full duplex, echo cancellation, adaptive

jitter buffer, etc, the SIP-T21P E2 provides clearer, more lifelike voice communications.

Enhanced Call Management

The SIP-T21P E2 supports vast productivity- enhancing features such as XML Browser, call

park, call pickup, BLF, call forward, call transfer, 3-way conference, which makes it the

natural and obvious efficiency tool for today’s busy small and large offices environment.

Efficient Installation and Provisioning

The Yealink SIP-T21P E2 supports efficient provisioning and effortless mass deployment

with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help you

realize the Zero Touch Provisioning without any complex manual settings, which makes the

SIP-T21P E2 simple to deploy, easy to maintain and upgrade.

Highly secure transport and interoperability

The communicator uses SIP over Transport Layer Security (TLS/SSL) to provide service

providers with the latest technology for enhanced network security. The range is certified

compatible with 3CX and Broadsoft Broadworks, ensuring excellent compatibility with

leading soft switch suppliers.

SIP-T21P E2

Entry-level IP phone with 2 Lines & HD voice

Yealink’s new SIP-T21P E2 takes entry-level IP phones to a level never achieved

before. Making full-use of high-quality materials, plus an extra-large 132x64-pixel

graphical LCD with backlight showing a clear 5-line data display, it offers a

smoother user experience, much more visual information at a glance, plus HD Voice

characteristics. Dual 10/100 Mbps network ports with integrated PoE are ideal for

extended network use. The T21P E2 supports two VoIP accounts, simple, flexible

and secure installation options, plus support for IPv6, Open VPN and a redundancy

server. It also operates with SRTP/ HTTPS/ TLS, 802.1x. As a very cost-effective and

powerful IP solution, the T21P E2 maximizes productivity in both small and large

office environments.

www.yealink.com

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SIP-T21P E2 Entry-level IP phone with 2 Lines & HD voice Yealink’s new SIP-T21P E2 takes entry-level IP phones to a level never achieved before. Making full-use of high-quality materials, plus an extra-large 132x64-pixel graphical LCD with backlight showing a clear 5-line data display, it offers a smoother user experience, much more visual information at a glance, plus HD Voice characteristics. Dual 10/100 Mbps network ports with integrated PoE are ideal for extended network use.
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SIP-T21P E2 Specifications Audio Features Display and Indicator Network and Security > HD voice: HD handset, HD speaker > 132 x 64-pixel graphical LCD with backlight > SIP v1 (RFC2543), v2 (RFC3261) > Wideband codec: Opus, G.722 > LED for call and message waiting indication > Call server redundancy supported > Narrowband codec: G.711(A/µ), G.729AB, G.
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About Yealink Yealink (Stock Code: 300628) is a global leading unified communication (UC) terminal solution provider that primarily offers video conferencing systems and voice communication solutions. Founded in 2001, Yealink leverages its independent research and development and innovation to pursue its core mission: “Easy collaboration, high productivity.” The company’s high-quality UC terminal solutions enhance the work efficiency and competitive advantages of its customers in over 100 countries.