Yealink T23G Professional Gigabit IP Phone (with POE) 3 SIP acct
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Yealink T23G Professional Gigabit IP Phone (with POE) 3 SIP acct

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Quick Overview

Yealink T23G Professional Gigabit IP Phone (with POE), 3 SIP accounts,

What is the Yealink T23G Professional Gigabit IP Phone (with POE) 3 SIP acct?


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, delivery a powerful, security and consistent communication experience for small and large offices environment

Yealink T23G data Sheet

Optional Power Supply


Technical Details

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

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


 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
 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
 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


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
 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 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
 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

Warranty Information:

  • Manufacturer:
Yealink T23G Professional Gigabit IP Phone (with POE) 3 SIP acct

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