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Yealink IP Phone VoIP SIP-T23G Dual-port Gigabit Ethernet 3-Line PoE



Model: SIP-T23G

Yealink IP Phone VoIP SIP-T23G Dual-port Gigabit Ethernet, 3-Line, PoE, Headset support, HD Voice

Yealink SIP-T23G features intuitive user interface and enhanced functionality which makes 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, delivery a powerful, secure and consistent communication experience for small and large offices environment.

Product Highlights

  • Yealink HD Voice 
  • Dual-port Gigabit Ethernet
  • PoE support
  • 132x64-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
  • 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


  • 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


  • 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

  • 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

  • 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

  • 3 line keys with LED

  • 5 features keys: message, headset, redial, tran,hands-free speakerphone

  • 6 navigation keys

  • Volume control keys

  • Dual-port Gigabit Ethernet

  • Power over Ethernet (IEEE 802.3af), class 2

  • 1xRJ9 (4P4C) handset port

  • 1xRJ9 (4P4C) headset port

  • 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

  • Configuration: browser/phone/auto-provision

  • Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy

  • Auto-provision with PnP

  • Zero-sp-touch

  • Phone lock for personal privacy protection

  • Reset to factory, reboot

  • Package tracing export, system log

  • 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


  • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP

  • RTP for voice 

  • Transport Layer Security (TLS)

  • HTTPS certificate manager

  • AES encryption for configuration file

  • Digest authentication using MD5/MD5-sess

  • OpenVPN, IEEE802.1X

  • IPv6

  • Qty/CTN: 10 PCS

  • N.W/CTN: 11.8 kg

  • G.W/CTN: 13.0 kg

  • Giftbox size: 220mm*241mm*105mm

  • Carton Meas: 560mm*460mm*250mm

More Information