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Yealink (SIP-T21 E2) Entry-level IP Phone with PoE, PSU
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Yealink (SIP-T21 E2) Entry-level IP Phone with PoE, PSU
Manufacturer:  ( Yealink )
Price:  
38,900 AMD

Features

Audio Features 

  • · HD voice: HD handset, HD speaker
  • ·
  • ·
  • · DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
  • · Full-duplex hands-free speakerphone with AEC
  • · VAD, CNG, AEC, PLC, AJB, AGC

Specifications 

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

Directory

  • · Local phonebook up to 1000 entries
  • · Black list
  • · XML/LDAP remote phonebook
  • · Intelligent search method
  • · 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
  • ·Message Waiting Indicator (MWI)
  • ·Voice mail, call park, call pickup
  • ·Intercom, paging, music on hold, emergency call
  • ·Call completion, call recording, hot-desking

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
  • · Multi-language support
  • · Caller ID with name, number
  • · Multilingual user

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
  • · 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
  • ·
  • · Dimension (W*D*H*T): 209*188*150*41 mm
  • · Operating humidity: 10~95%
  • · Operating temperature: -10~50°C

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)
  • ·
  • · SRTP for voice
  • · Transport Layer Security (TLS)
  • · HTTPS certificate manager
  • · AES encryption for configuration file
  • · Digest authentication using MD5 MD5-sess
  • ·
  • · IPv6, LLDP/CDP/DHCP VLAN, ICE

Package Features

  • · Package content:

- Yealink SIP-T21 E2 IP phone

- Handset with handset cord

- Ethernet Cable (1.5m CAT5E UTP Cable)

- Stand

- Quick Start Guide

- Power Adapter Standard


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