Yealink SIP-T23G Enterprise HD IP Phone with PoE

Yealink SIP-T23G features an intuitive user interface and enhanced functionality which makes it easy for people to interact and maximize productivity. Yealinks HD technology enables rich, clear, life-like voice communications, remote management options, flexible deployment options and third-party communications applications. As a cost effective IP solution, it helps users to streamline business processes, delivering a powerful, secure and consistent communication experience for small and large offices environment.

Features

• Yealink HD Voice
• Dual-port Gigabit Ethernet
• PoE support
• 132×64-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/), 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/deletion
• Set date & time manually or automatically
• Dial plan, hotline
• XML Browser, Action URL/URI
• Integrated Screenshots
• RTCP-XR

Directory

• Local phonebook for up to 1000 entries
• Black list
• XML/LDAP remote phonebook
• Intelligent search function
• 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

• 132×64-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 function keys: message, headset, redial, transfer, hands-free speakerphone
• 6 navigation keys
• Volume control keys

Interface

• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), class 2
• 1x RJ9 (4P4C) handset port
• 1x RJ9 (4P4C) headset port

Management

• Configuration: browser/phone/auto-provision
• Auto-provision via FTP/TFTP/HTTP/HTTPS for mass deploy
• Auto-provision with PnP
• Zero-SP-touch
• Phone lock for personal privacy protection
• Reset to factory settings, 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
• 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

Other Physical Features

• Wall-mountable
• External universal AC adapter (optional: AC 100 V ~ 240 V input and DC 5 V / 600 mA output
• Power consumption (PSU): 0.72 W – 1.56 W
• Power consumption (PoE): 0.96 W – 1.98 W
• Dimensions (W x D x H x T): 209 x 188 x 150 x 41 mm
• Operating humidity: 10 % ~ 95 %
• Operating temperature: -10 °C ~ 50 °C