The Yealink T23G is now End of Life. The direct replacement is the Yealink T33G
The Yealink T23G features intuitive user interface and enhanced functionality which makes it easy for people to interact and maximise 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.
For the full range of Yealink handsets, please click here
The Yealink T23G IP Phone is a cost-effective solution, featuring an intuitive user interface and enhanced functionality, making it easy for people to interact and maximise productivity. The T23G helps users to streamline business processes, deliver a powerful, secure and consistent communication experience for small and large office environments.
Yealink T23G Key Features
- Up to 3 SIP accounts
- 132×64-pixel graphical LCD
- Dual-port Gigabit Ethernet
- Yealink HD Voice
- PoE support
- Supports Dual-color LEDs
- Headset support
- Wall mountable
- IPv6 support
- Paperless design
- Simple, flexible and secure provisioning options
Yealink T23G VoIP Phone – Technical Specifications
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
Directory
- Local phonebook up to 1000 entries
- Black list
- XML/LDAP remote phonebook
- Smart dialing
- 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
- Flexible seating
- Executive and Assistant
- Centralised call recording
- Visual voice mail
Display and Indicator
- 132 x 64-pixel graphical LCD with backlight
- LED for call and message waiting indication
- Dual-colour (red or green) illuminated LEDs for
- line status information
- Intuitive user interface with icons and soft keys
- Multilingual user interface
- Caller ID with name and number
- Power saving
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
- 1 x RJ9 (4P4C) handset port
- 1 x RJ9 (4P4C) headset port
Other Physical Features
- Wall mountable
- External Yealink AC adapter (optional)：
AC 100~240V input and DC 5V/600mA output - Power consumption (PSU): 0.7-1.5W
- Power consumption (PoE): 1.0-2.2W
- Dimension (W*D*H*T):
209mm*188mm*150mm*41mm - Operating humidity: 10~95%
- Operating temperature: -10~50°C (+14~122°F)
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)
- Call server redundancy supported
- NAT traveral: 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
- LLDP/CDP/DHCP VLAN
- ICE
Package Features
- Package content:
– Yealink SIP-T23G IP phone
– Handset with handset cord
– Ethernet Cable (1.5m CAT5E UTP Cable)
– Stand
– Quick Start Guide
– Power Adapter (Optional)