Yealink T21P E2 Datasheet

  • Description


SIP-T21(P) E2

Entry-level IP phone with 2 Lines & HD voice

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-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.

> Yealink HD Voice
> 132 x 64-pixel graphical LCD with backlight
> Two-port 10/100M Ethernet Switch
> PoE support (T21P E2)
> Opus codec support
> Up to 2 SIP accounts
> Headset support
> Wall mountable
> Simple, flexible and secure provisioning options

SIP-T21(P) E2 Specifications

Audio Features
> HD voice: HD handset, HD speaker
> Wideband codec: 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
> 2 VoIP accounts
> Call hold, mute, DND
> One-touch speed dial, hotline
> Call forward, call waiting, call transfer
> Group listening, SMS, emergency call
> Redial, call return, auto answer
> Local 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
> Integrated screenshots
> Enhanced DSS Key
> Loal 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
Other Physical Features
> Wall mountable
> External Yealink AC adapter
AC 100~240V input and DC 5V/600mA output
> Power consumption (PSU): 0.8-1.4W
> Power consumption (PoE): 1.3-1.8W (T21P E2)
> Dimension (W*D*H*T):
209 mm*188 mm*150 mm*41 mm
> Operating humidity: 10~95%
> Operating temperature: -10~50°C (+14~122°F)
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 using MD5/MD5-sess
> OpenVPN, IEEE802.1X
> IPv6
Package Features
> Package content:
– Yealink SIP-T21(P) E2 IP phone
– Handset with handset cord
– Ethernet Cable (1.5m CAT5E UTP Cable)
– Stand
– Quick Start Guide
– Power Adapter??
T21 E2 (Standard)/T21P E2 (Optional)
> Qty/CTN: 10 PCS
> N.W/CTN: 11.7 kg
> G.W/CTN: 12.5 kg
> Giftbox size: 215 mm*200 mm*118 mm
> Carton Meas: 615 mm*436 mm*208 mm