The Yealink T23G business VoIP phone was designed to be feature rich. The SIP-T23G, combined with a hosted V2VIP™ Calling Plan, maximizes productivity and allows easy interaction for people by enhancing functionality and having an intuitive user interface. As a cost-effective IP solution, it helps users to streamline business processes, deliver a powerful, secure and consistent communication experience for small and large offices environment.—$69.99
Main Features
- Yealink HD Voice
- Wideband codec: G.722
- Narrowband codec: G.711(A/µ), G.729AB,G.726, iLBC
- Dual-port Gigabit Ethernet
- PoE support
- 132 x 64-pixel graphical LCD
- Up to 3 SIP accounts
- Supports Dual-color LEDs
- Headset support
- IPv6 support
- Paperless design
- Simple, flexible and secure provisioning options
- Wall mounting equipment included
- Power over Ethernet (IEEE 802.3af), class 2
- No power supply included (Sold Separately) – $7.99
- Not compatible with expansion module

The Yealink T23G is a professional 3-line VoIP phone for business managers with demanding collaborative needs. With HD Voice, a 132 x 64-pixel graphical LCD screen and Dual-port Gigabit Ethernet, the T23G is a perfect solution for a gigabit based network infrastructure.
Audio Features
• HD voice: HD handset, HD speaker
• Wideband codec: Opus, 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
• Enhanced DSS Key