Product Specification  | 
Overview  | Yealink SIP-T40P โทรศัพท์แบบ IP (IP-Phone) จอ LCD ขาว-ดำ 132 x 64Pixels รองรับ 3 คู่สาย, 3 SIP Account, 2 Port 10/100Mbps รองรับการ Setup ผ่าน Webbrowser และ Telephone Key Pad (IVR) รองรับ POE มาตรฐาน 802.3af (ไม่มี Adapter ในชุดอุปกรณ์)  | 
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 VoIP accounts One-touch speed dial, redial Call forward, call waiting Call transfer, call hold Call return, group listening Mute, auto answer, DND 3-way conference call Direct IP call without SIP proxy Ring tone selection/import/delete Hotline, emergency call Set date time manually or automatically Dial plan XML Browser,  Action URL/URI Integrated Screenshots RTCP-XR  | 
Directory  | Loal 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  | 2.3" 2132 x 64-pixel graphical LCD with backlight LED for call and message waiting indication One-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, mute,redial, hands-free speakerphone 4 context-sensitive “soft” keys 6 navigation keys 2 volume control keys Mute key Headset key Hands-free speakerphone key  | 
Interface  | 2xRJ45 10/100M Ethernet ports 1xRJ9 (4P4C) handset port 1xRJ9 (4P4C) headset port 1XRJ12 (6P6C) EHS port Power over Ethernet (IEEE 802.3af), Class 2  | 
Other Physical Features  | Stand with 2 adjustable angles  Wall mountable (optional) External universal AC adapter (optional): AC 100~240V input and DC 5V/600mA output Power consumption (PSU): 1.05-3.23W Power consumption (PoE): 1.7-3.2W Dimension (W * D * H * T): 244mm x 212mm x 189mm x 54mm 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 Reset to factory, reboot Package tracing export, system log  | 
Package Features  | Qty/CTN: 5 PCS N.W/CTN:  G.W/CTN:  Giftbox size: 246mm*223mm*120mm Carton Meas: 620mm*256mm*233mm  | 
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  | 
สินค้ารับประกัน 1 ปี Adapter 3 เดือน  | 
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