Yealink SIP-T23P Enterprise HD IP Phone

The Yealink SIP-T23P Enterprise HD IP Phone features:
• Yealink HD Voice 
• 132x64-pixel graphical LCD
• Two-port 10/100 Ethernet Switch 
• PoE support
• Up to 3 SIP accounts
• Supports Dual-color LEDs 
• Headset support
• Paperless design
• 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
     — 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 
     —  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:
      — 2xRJ45 10/100M Ethernet ports
      — Power over Ethernet (IEEE 802.3af), class 2
      — 1xRJ9 (4P4C) handset port
      — 1xRJ9 (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 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
      — 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
• Power options: 
     — Power over Ethernet (IEEE 802.3af)
     — Power adapter: AC 100~240V input and DC 5V/1.2A output (sold separately)
• Stand with 2 adjustable angles
• Wall mountable
• Color: Black
• Condition: New
• One Year Warranty