Yealink HD Voice Entry Level IP Phone

Yealink’s new SIP-T21(P) E2 takes entry-level IP phones to a level never achieved before. Making full-use of high-quality materials, plus an extra-large 132×64-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. Meanwhile, the dual 10/100 Mbps network ports with integrated PoE makes T21P E2 an ideal choice for extended network use. The T21(P) 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 T21(P) E2 maximizes productivity in both small and large office environments.

Features:

• 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-T21(P) E2 provides clearer, more lifelike voice communications.

• Enhanced Call Management: The SIP-T21(P) 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-T21(P) 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 it 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.

Specifications:

• 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

• VAD, CNG, AEC, PLC, AJB, AGC

• 132 x 64-pixel graphical LCD with backlight

• 2 x RJ45 10/100M Ethernet ports

• Power over Ethernet (IEEE 802.3af), class 2 (T21P E2)

• 1 x RJ9 (4P4C) handset port

• Wall mountable

• External Yealink AC adapter： AC 100~240V input and DC 5V/600mA output

• Power consumption (PoE): 1.3-1.8W (T21P E2)

• Operating humidity: 10~95%

• 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

• 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

• Dimension (W x D x H x T): 209mm x 188mm x 150mm x 41mm