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Yealink SIP-T21 IP Phone - with Power Supply (SIP-T21-PWR) New

SKU: SIP-T21-PWR-NEW

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Availability: Discontinued - Limited Quantities

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Quick Overview

SIP-T21P-PWR


Yealink SIP-T21P IP Phone - with Power Supply


New


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Condition:  New

Yealink SIP-T21 IP Phone - with Power Supply (SIP-T21-PWR)

 

Overview

Yealink’s new SIP-T21 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 showing a clear 5-line data display, it offers a smoother user experience, much more visual information at a glance, plus HD Voice characteristics.  The T21 supports two VoIP account, 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 maximizing productivity in both small and large office environments..

 

Features

  • 6 VoIP accounts, hotline, emergency call
  • Call waiting, call transfer, call forward
  • Hold, mute, flash, auto-answer, redial
  • 3-way conference, DND, speed dial
  • XML Phonebook search/import/export
  • Black list, call history (100 entries)
  • Volume adjustment, ring tone selection
  • Tone scheme, System log
  • Multi-language (more than 20)
  • Supports up to 6 expansion modules

IP PBX System Integration

  • Dial plan, dial-now
  • SMS, Voicemail, MWI
  • BLF/BLA, intercom, paging
  • Call park, call pickup
  • Distinctive ringtone

Codecs and Voice Features

  • Wideband codec: G.722
  • Narrowband codec: G.711, G.723.1, G.726, G.729AB
  • VAD, CNG, AEC, PLC, AJB, AGC
  • Full-duplex speakerphone with AEC

Network Features

  • SIP v1 (RFC2543), v2 (RFC3261)
  • NAT Traversal: STUN mode
  • DTMF: In-Band, RFC2833, SIP Info
  • Proxy mode and peer-to-peer SIP link mode
  • IP Assignment: Static/DHCP/PPPoE
  • Bridge/router mode
  • TFTP/DHCP/PPPoE client
  • Telnet/HTTP/HTTPS server
  • DNS client
  • NAT/DHCP server

Management

  • FTP/TFTP/HTTP/PnP auto-provision
  • Configuration: browser/phone/auto-provision
  • Direct IP call without SIP proxy
  • Dial number via SIP server
  • Dial URL via SIP server

Security

  • HTTPS (server/client)
  • SRTP (RFC3711)
  • Transport Layer Security (TLS)
  • VLAN (802.1 pq), QoS
  • Digest authentication using MD5/MD5-sess
  • Secure configuration file via AES encryption
  • Phone lock for personal privacy protection
  • Admin/user configuration mode

Physical Features

  • TI TITAN chipset
  • 320x160 graphic LCD with 4-level grayscales
  • 48 keys including 16 programmable keys
  • 1xRJ9 (4P4C) handset port
  • 1xRJ9 (4P4C) headset port
  • 2xRJ45 10/100M Ethernet ports
  • 1XRJ12 (6P6C) expansion module port
  • Power adapter required: AC 100~240V input and DC 5V/1.2A output (Included)
  • Power consumption: 1.6-2.6W
  • Net weight: 1.05KG
  • Dimension: 273x204x42MM
  • Operating humidity: 10~95%
  • Storage temperature: up to 60°C

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