Enterprise HD IP Phone SIP-T23P

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 > Wall mountable > IPv6 support > Paperless design > Simple, flexible and secure provisioning options Specification Audio Features > HD voice: HD handset, HD speaker > Wideband codec: G.722 > Narrowband codec: G.711( A/ ) , 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 > 2xRJ45 10/ 100M Ethernet ports > 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 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 Package Features > Qty/ CTN: 10 PCS > G.W/ CTN: 12.4kg > Giftbox size: 215mm* 200mm* 118mm > Carton Meas: 615mm* 436mm* 208mm