Yealink Sip-T23g Ip Phone – Corded – Corded – Wall Mountable – Black

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Yealink Enterprise HD IP Phone SIP-T23G

Yealink SIP-T23G features intuitive user interface and enhanced functionality which make it easy for people to interact and maximize productivity. Yealink HD technology enables rich, clear, life-like voice communications, outsourced management options, flexible deployment and third-party communications applications. As a cost effective IP solution, it helps users to streamline business processes, deliver a powerful, security and consistent communication experience for small and large offices environment.

Features

• Yealink HD Voice
• Dual-port Gigabit Ethernet
• PoE support
• 132×64-pixel graphical LCD
• Up to 3 SIP accounts
• Supports Dual-color LEDs
• Headset support
• Wall mountable
• IPv6 support
• Paperless design
• 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.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

• 3 SIP accounts
• Call hold, mute, DND
• One-touch speed dial, hotline
• Call forward, call waiting, call transfer
• Group listening, SMS
• 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, off hook hot line
• XML Browser, Action URL/URI
• Integrated Screenshots
• RTCP-XR

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

• Busy Lamp Field (BLF)
• Bridged Line Apperance(BLA)
• Anonymous call, anonymous call rejection
• Hot-desking, emergency call
• Message Waiting Indicator (MWI)
• Voice mail, call park, call pickup
• Intercom, paging, music on hold
• Call completion, call recording

Display and Indicator

• 132×64-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
• National language selection
• Caller ID with name, number

Feature keys

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

Interface

• Dual-port Gigabit Ethernet
• 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): 0.72-1.56W
• Power consumption (PoE): 0.96-1.98W
• Dimension(W*D*H*T):209mm*188mm*150mm*41mm
• Operating humidity: 10~95%
• Operating temperature: -10~50°C

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

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