Yealink T21 IP Telefon – T21 E2 IP Telefon

40,00 $ + KDV

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Yealink T21 IP Telefon Özellikleri

Yealink T21 IP Telefon 2 hatlı SIP masaüstü IP Telefondur.

Yealink T21 IP Telefon










Yealink’s new Yealink T21 (SIP-T21P E2) takes entry-level IP phones to a level never achieved before. Making full-use of high-quality materials, plus an extra-large 132×64-pixel graphical LCD with backlight showing a clear 5-line data display, it offers a smoother user experience, much more visual information at a glance, plus HD Voice characteristics. Dual 10/100 Mbps network ports with integrated PoE are ideal for extended network use. The T21P E2 supports two VoIP accounts, 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 Yealink T21P E2 maximizes productivity in both small and large office environments.

Yealink T21 E2 Özellikleri

> Yealink HD Ses
> 132 x 64-pixel grafik aydınlatmalı LCD ekran
> 2 port 10/100M Ethernet yuvası
> 2 SIP hesap
> Kulaklık desteği
> Duvara montaj desteği
> Oto tedarik desteği

Yealink T21 E2 Ses Özellikleri
> HD voice: HD handset, HD speaker
> Wideband codec: 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

Yealink T21 E2 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

Yealink T21 E2 Directory
> Loal phonebook up to 1000 entries
> Black list
> XML/LDAP remote phonebook
> Intelligent search method
> Phonebook search/import/export
> Call history: dialed/received/missed/forwarded

Yealink T21 E2 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

Yealink T21 E2 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

Yealink T21 E2 Feature keys
> 2 line keys with LED
> 6 features keys: message, headset, redial, transfer, mute, hands-free speakerphone
> 6 navigation keys
> Volume control keys

Yealink T21 Interface
> 2 x RJ45 10/100M Ethernet ports
> 1 x RJ9 (4P4C) handset port
> 1 x RJ9 (4P4C) headset port

Yealink T21 Other Physical Features
> Wall mountable
> External universal AC adapter (optional):
AC 100~240V input and DC 5V/600mA output
> Power consumption (PSU): 1.2-1.9W
> Dimension (W*D*H*T): 209 mm*188 mm*150 mm*41 mm
> Operating humidity: 10~95%
> Operating temperature: -10~50°C

Yealink T21 Package Features
> 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

Yealink T21 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

Yealink T21 Network and Security
> SIP v1 (RFC2543), v2 (RFC3261)
> Call server redundancy supported
> NAT transverse: 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 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

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