Yealink T21PN HD 2 Line VoIP Phone

Available in Refurbished

Yealink’s T21PN 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 full support for HD voice. Dual 10/100 Mbps network ports, with integrated PoE for extended network use. The T21PN supports two VoIP accounts, simple, flexible and secure installation options, plus support for IPv6, Open VPN and back-up redundancy server. It also operates with SRTP/HTTPS/TLS. 802.1x. As a very cost-effective and powerful IP phone, the T21N maximises productivity in both small and large office environments.

Audio Features

• Full Duplex Handsfree 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

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
• Ringtone Selection/Import/Delete
• Keypad Lock, Emergency Call
• Set Date Time Manually or Automatically
• URL & Action URI
• Dial Plan
• XML Browser
• Action URL & Action URI

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

• Anonymous Call, Anonymous Call Rejection
• Message Waiting Indicator (MWI)
• Voicemail, Call Park, Call Pickup
• Intercom, Paging, Music on Hold
• Call Completion, Call Recording, Hotdesking

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

Physical Features

• 2xRJ45 10/100M Ethernet Ports
• 31 Keys Including 4 Soft Keys
• 4 LEDs - 1 x Power, 2 x Line, 1 x Message
• 1xRJ9 Handset Port
• 1xRJ9 Headset Port
• Wall Mountable
• Optional 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
• Dimensions - 209mm x 188mm x150mm | 41mm

Management

• Configuration - Browser/Phone/Autoprovision/RPS Support
• Auto Provision via FTP/TFT P/HTTP/
• HTTPS for Mass Deployment
• Auto-Provision with PnP
• Zero-sp-Touch
• Provisioning Server Redundancy Supported
• Reset to Factory, Reboot
• Package Tracing Export, System Log

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 (T LS)
• HTTPS Certificate Manager
• AES Encryption for Configuration File
• Digest Authentication using MD5/MD5-sess
• IEEE802.1X