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 office environments.


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

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


Package Features

Qty/CTN: 10 PCS

G.W/CTN: 12.6kg

Giftbox size: 215mm*200mm*118mm

Carton Meas: 615mm*436mm*208mm

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Yealink Sip-T23G

  • Brand: Yealink
  • Product Code: Sip-T23G
  • Availability: In Stock
  • $114.99

Available Options

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Tags: voip, phone, yealink, sip