SIP-T23G

The 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

Audio Features
•	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
•	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
Directory
•	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
Interface
•	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
•	Dimension(W*D*H*T):209mm*188mm*150mm*41mm
•	Operating humidity: 10~95%
•	Operating temperature: -10~50°C