Yealink SIP-T21P

 

Yealink SIP-T21P E2 Kenya

The Yealink T21P in Kenya is really a 2-line basic level IP phone that will execute the fundamental functions you require for longer phone use. The T21P E2 includes a phone book, HD-Voice, a 5-line graphical Vast screen and supports PoE. Being an SIP- compliant device, the Yealink SIP T21P E2 IP Phone is configured to allow for full compatibility with major professional leading office platforms such as 3CX, Asterisk, BroadSoft, and many others. 

Description

Yealink SIP-T21P E2 Mombasa

The Yealink SIP-T21P E2 in Mombasa  is an entry level VoIP phone which is equipped with 2 lines to maximize efficiency in communication. The T21P E2 features a phone directory, HD-Voice, a 5-line graphical LCD screen and supports Power over Ethernet. Designed by Yealink’s original team, the SIP-T21P E2 is delivered in a modern design with a wonderful appearance with ergonomic details that make it easy to use and operate. Whereas it can be mounted on the wall, the adjustable multi-angle stand gives users the freedom to work with it in on any other surface and at different angles. 

The Yealink SIP – T21P E2 is equipped with a 132×64 – pixel adjustable  graphical LCD screen which provides a rich visual presentation and easy menu navigation. The Yealink SIP – T21P – E2 is based on SIP, and is therefore fully compatible with available leading professional office platforms.

Yealink SIP-T21P E2 Features :

  • 2 Line Appearances
  • Dual-port 10/100 Ethernet
  • Yealink Optima HD Voice Supported
  • Up to 2 SIP accounts
  • Full-duplex hands-free speakerphone
  • No expansion modules supported
  • RJ9 Headset Port
  • 132×64-pixel graphical LCD display
  • Wall mountable

Up to 2 SIP accounts 

The Yealink SIP 21P E2 IP Phone is equipped with 2 different SIP accounts to increase efficiency and productivity in the office. This features makes the IP Phone perfect for use in shared offices or during shift work times. 

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, 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.

Integrated Support for Power Over Ethernet (PoE) 

The Yealink SIP T21P – E2 is configured to support Power Over Ethernet (PoE). This feature allows for easy deployment with central powering and backup.

High Performance

The Yealink T21P E2 is equipped with an extremely powerful chip, which gives it upgraded functions on top of amazing computing abilities for enhanced productivity and office experience. The high performance also makes it possible for the T21P E2  to offer a wide range of services that meets varied demands of different businesses.

All-in-One Convenience

The Yealink SIP-T21P E2 delivers convenience, reliability and seamless integration through the Yealink Device Management Platform via an installed unified firmware. This not only makes the device easy to deploy and maintain, but also gives you the ability to keep it at par with new and advanced firmware updates, thus a reduction in upgrade, maintenance and operational costs. This makes it a perfect solution regardless of the variations in your needs.

Wired  Connectivity :

The Yealink SIP T21P E2 VoIP Phone uses an integrated RJ9 port to connect to wired headsets.

Ease of use, low learning cost :

To extend a seamless workflow on the desktop device, Yealink T21P E2 offers a color display , Yealink Optima HD Voice and supports key calling functionality. Yealink SIP – T21P E2 makes it easier than ever to collaborate with partners while reducing learning costs and increasing the user adoption rate.

SIP – Based Connection :

You can easily connect your Yealink SIP T21P E2  to your IP PBX System or direct to a VoIP service provider in order to enjoy seamless conference calls. The IP phone is based on SIP and works perfectly with most of the SIP platforms that currently exist in the market. The Yealink SIP T21P E2 furthermore supports Power over Ethernet, thereby making its connection to various office platforms an easy task.

Compatibility

Being an SIP- compliant device, the Yealink SIP T21P E2 IP Phone is configured to allow for full compatibility with major professional leading office platforms such as 3CX, Asterisk, BroadSoft, and many others. 

Yealink T21P E2 VoIP Phone – Technical 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
  • VAD, CNG, AEC, PLC, AJB, AGC

Directory

  • Local phonebook up to 1000 entries
  • Blacklist
  • XML/LDAP remote phonebook
  • Smart dialing
  • Phonebook search/import/export
  • Call history: dialed/received/missed/forwarded

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
  • RTCP-XR
  • Enhanced DSS Key

IP PBX Features

  • Busy Lamp Field (BLF)
  • Bridged Line Appearance (BLA)
  • Anonymous call, anonymous call rejection
  • Hot-desking, voice mail
  • Flexible seating
  • Call park, call pickup
  • Executive and Assistant
  • Centralized call recording
  • Visual voicemail
  • Call recording

Display and Indicator

  • 132 x 64-pixel graphical LCD with backlight
  • LED for call and message waiting indication
  • Dual-color (red or green) illuminated LEDs for line status information
  • Intuitive user interface with icons and soft keys
  • Multilingual user interface
  • Caller ID with name and number
  • Power saving

Feature Keys

  • 2 line keys with LED
  • 6 features keys: message, headset, redial, transfer, mute, hands-free speakerphone
  • 6 navigation keys
  • Volume control keys

Interface

  • 2 x RJ45 10/100M Ethernet ports
  • Power over Ethernet (IEEE 802.3af), class 1
  • 1 x RJ9 (4P4C) handset port
  • 1 x RJ9 (4P4C) headset port

Other Physical Features

  • Wall mountable
  • External Yealink AC adapter (optional):
    • AC 100~240V input and DC 5V/600mA output
  • Power consumption (PSU): 0.8-1.4W
  • Power consumption (PoE): 1.3-1.8W
  • 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)

Management

  • 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

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
  • 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 using MD5/MD5-sess
  • OpenVPN, IEEE802.1X
  • IPv6
  • LLDP/CDP/DHCP VLAN
  • ICE

Package Features

  • Package content:
    – Yealink SIP-T21P E2 IP phone
    – Handset with handset cord
    – Ethernet Cable (1.5m CAT5E UTP Cable)
    – Stand
    – Quick Start Guide
    – Power Adapter (Optional)