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MainCatalogIP phone setsSIP-T21 phone set

Yealink SIP-T21. 2 independent user accounts and LCD display

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SIP-T21 phone set
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  • SIP-T21 phone set
  • SIP-T21 phone set
  • SIP-T21 phone set
Main characteristics
SKU 1895
Vendor Yealink
Category IP phone sets
Standart VoIP/SIP
Display 2,3" LCD -132x64
Q'ty of channels 2 sip accounts
Connectors 2x RJ45 (NAT è Bridge), RJ9
Phone book 1000 contacts
Management WEB
Dimensions, HWD 188 x 150 x 41 mm
Weight 1 kg
Shipment Worldwide
Price 99 $
Other currency 91 ˆ
In stock
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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 132 x 64-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
 
 
HD Voice: HD Codec, HD speaker, HD handset
132 x 64-pixel graphical LCD
2 VoIP accounts
Two-port 10/100 Ethernet Switch, integrated PoE
Headset, wall-mountable
XML/LDAP remote phonebook 

File Title Release Date File Type Size (mb) Action
How to work with the remote phonebook XML 02-22-2014 Documentation (zip) 0.06 MB download
How to Create ringtones for SIP-phone 02-22-2014 Documentation (pdf) 2.30 MB download
Software for Yealink SIP-T21/21P (version 34.71.14.5) 02-22-2014 Software (zip) 7.30 MB download
How to work with the server Autoprovision v71 for Yealink T2X, T3X, VP530 02-22-2014 Documentation (zip) 3.70 MB download
User Guide Yealink SIP-T21 (P) 02-22-2014 Documentation (pdf) 3.76 MB download

To access this product file, get partner STE status


Audio Features
> Full-duplex hands-free speakerphone with AEC
> Codecs: G.722 ( Wideband),  G.711(A/μ), G.723, G.729AB, G.726
> DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO 
> VAD, CNG, AEC, PLC, AJB, AGC
 
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
 
Phone Features
> 2 VoIP accounts
> Call hold, mute, DND
> One-touch speed dial, hotline
> Redial, call return, auto answer
> Call forward, call waiting, call transfer
> Group listening, SMS
> Local 3-way conferencing
> Direct IP call without SIP proxy
> Ring tone selection/import/delete
> Keypad lock, emergency call
> Set date time manually or automatically
> Dial plan, XML Browser, action URL&action URI
 
IP-PBX Features
> Anonymous call, anonymous call rejection
> Message waiting indicator (MWI)
> Voice mail, call park, call pickup
> Intercom, paging, music on hold
> Call completion, call recording, hot-desking
 
Display and Indicator
> 132x64-pixel graphical LCD 
> LED for call and message waiting indication
> Intuitive user interface with icons and soft keys
> National language selection
> Caller ID with name, number
 
Network and Security
> SIP v1 (RFC2543), v2 (RFC3261)
> IPv6, open VPN
> NAT transverse: STUN mode
> Proxy mode and peer-to-peer SIP link mode
> IP assignment: static/DHCP/PPPoE
> 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
> IEEE802.1X

Management
> Configuration: browser/phone/auto-provision
> Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
> Auto-provision with PnP
> Zero-sp-touch
> Provisioning server redundancy supported
> Reset to factory, reboot
> Package tracing export, system log
 
Physical Features
>  2xRJ45 
>  31 keys including 4 soft keys
>  4 LEDs: 1xpower, 2xline, 1xmessage
>  1xRJ9 handset port
>  1xRJ9 headset port
>  Wall-mountable
>  Power adapter: AC 100~240V input and DC 5V/600mA Output
>  Power over Ethernet (IEEE 802.3af)
>  Power consumption: 1.4-2.6W
>  Net weight: 0.81kg
>  Dimension: 209mm*188mm*150mm*41mm
>  Operating humidity: 10~95%
>  Storage temperature: -10~50°C

File Title Release Date File Type Size (mb) Action
How to work with the remote phonebook XML 02-22-2014 Documentation (zip) 0.06 MB download
How to Create ringtones for SIP-phone 02-22-2014 Documentation (pdf) 2.30 MB download
Software for Yealink SIP-T21/21P (version 34.71.14.5) 02-22-2014 Software (zip) 7.30 MB download
How to work with the server Autoprovision v71 for Yealink T2X, T3X, VP530 02-22-2014 Documentation (zip) 3.70 MB download
User Guide Yealink SIP-T21 (P) 02-22-2014 Documentation (pdf) 3.76 MB download

To access this product file, get partner STE status

File Title Release Date File Type Size (mb) Action
How to work with the remote phonebook XML 02-22-2014 Documentation (zip) 0.06 MB download
How to Create ringtones for SIP-phone 02-22-2014 Documentation (pdf) 2.30 MB download
Software for Yealink SIP-T21/21P (version 34.71.14.5) 02-22-2014 Software (zip) 7.30 MB download
How to work with the server Autoprovision v71 for Yealink T2X, T3X, VP530 02-22-2014 Documentation (zip) 3.70 MB download
User Guide Yealink SIP-T21 (P) 02-22-2014 Documentation (pdf) 3.76 MB download

To access this product file, get partner STE status

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