Yealink T21P Expand

Yealink T21P

New

2 λογαριασμοί VOIP
Κανένα πλήκτρο BLF
Δεν υποστηρίζει VPN

More details

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More info

Features     

  • Yealink HD Voice 
  • 132x64-pixel graphical LCD with backlight
  • Two-port 10/100M Ethernet Switch 
  • PoE support
  • Up to 2 SIP accounts
  • Headset support
  • Wall mountable
  • Simple, flexible and secure provisioning options

Specification     
Audio Features

  • HD voice: HD handset, HD speaker
  • Wideband codec: G.722
  • Narrowband codec: G.711(A/μ), G.723.1, 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

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

  • 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

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-deskin

Display and Indicator

  • 132x64-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
  • National language selection
  • Caller ID with name, number

Feature keys

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

Interface
2xRJ45 10/100M Ethernet ports
Power over Ethernet (IEEE 802.3af), class 2
1xRJ9 (4P4C) handset port
1xRJ9 (4P4C) headset port

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
  • Power consumption (PoE): 1.8-2.3W
  • Dimension(W*D*H*T): 209mm*188mm*150mm*41mm
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C

Package Features

  • Qty/CTN: 10PCS
  • N.W/CTN: 11.7kg
  • G.W/CTN: 12.5kg
  • Giftbox size: 215mm*200mm*118 mm
  • Carton Meas: 615mm*436mm*208mm

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
  • Reset to factory, reboot
  • Package tracing export, system log

Network and Security

  • SIP v1 (RFC2543), v2 (RFC3261)
  • 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
  • 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

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