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Điện thoại IP Yealink SIP-T42U
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Data sheet Yealink SIP-T42U A Well-Rounded SIP Phone for Clear Communications
Thông số kỹ thuật Yealink SIP-T42U
| Model | Yealink SIP-T42U |
| Audio Features | • HD voice: HD handset, HD speaker • Hearing aid compatible (HAC) handset • Acoustic Shield • Wideband codec: AMR-WB (optional), Opus, G.722 • Narrowband codec: AMR-NB (optional), Opus, 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 | • 12 VoIP accounts • One-touch speed dial, redial • Call forward, call waiting, call transfer, call hold • Call return, group listening, emergency call • Mute, auto answer, DND, hoteline • 5-way conference call • Direct IP call without SIP proxy • Ring tone selection/import/delete • Set date time manually or automatically • Dial Plan, XML Browser, Action URL/URI • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) • Dual USB ports (2.0 compliant) - Bluetooth earphone through BT40/BT41 - Contact synchronization through BT40/BT41 - Wi-Fi through WF40/WF50 - USB call recording through USB flash drive - USB headset - Wireless Headset Adapter EHS40 • Enhanced DSS key |
| Directory | • Local phonebook up to 1000 entries • Black list • XML/LDAP remote phonebook • Smart dialing • 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, voice mail • Flexible seating, Executive and Assistant • Call park, call pickup • Centralized call recording • Visual voice mail • Call recording |
| Display and Indicator | • 2.7" 192x64-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 • Multilingual user interface • Caller ID with name and number • Power saving |
| Feature keys | • 6 line keys with LED • 6 line keys can be programmed up to 15 paperless DSS keys (3-page view) • 5 features keys: message, headset, mute, redial, hands-free speakerphone • 4 context-sensitive “soft” keys • 6 navigation keys • 2 volume control keys • Illuminated mute key • Illuminated headset key • Illuminated hands-free speakerphone key |
| Interface | • 2 x RJ45 10/100/1000M Ethernet ports • Power over Ethernet (IEEE 802.3af), Class 2 • 2 x USB port (2.0 compliant) • 1 x RJ9 (4P4C) handset port • 1 x RJ9 (4P4C) headset port |
| Other Physical Features | • Color: Classic Grey • Stand with 2 adjustable angles • Wall mountable • External Yealink AC adapter (optional)：AC 100~240V input and DC 5V/1.2A output • USB output currency: 5V 500mA • Power consumption (PSU): 0.9-2.2W • Power consumption (PoE): 1.3-2.9W • Dimension (W*D*H*T): 212mm*189mm*175mm*54mm • Operating humidity: 10~95% • Operating temperature: -10~50°C (+14~122°F) |
| Management | • Configuration: browser/phone/auto-provision • Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy • Auto-provision with PnP • Broadsoft device management • 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) • Call server redundancy supported • NAT traversal: 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 • OpenVPN, IEEE802.1X • IPv6 • LLDP/CDP/DHCP VLAN • ICE |
| Package Features | • Package content: - Yealink SIP-T42U IP phone - Handset with handset cord - Ethernet Cable (2m CAT5E UTP Cable) - Stand - Quick Start Guide - Power Adapter (Optional) - Wall Mount Bracket (Optional) • Qty/CTN: 5 PCS • N.W/CTN: 5.8 kg • G.W/CTN: 6.3 kg • Giftbox size: 246mm*223mm*120mm • Carton Meas: 627mm*256mm*235mm |
