Yealink SIP-T44U Teléfono de sobremesa SIP con 12 líneas y calidad de voz HD

Nota: modelo PoE, no incluye fuente de alimentación, puede usar inyector PoE o fuente PSU-T2X12 Yealink SIP-T44U Teléfono IP de sobremesa con 12 líneas, pantalla color y tecnología de voz HD 12 cuentas VoIP Pantalla color 2,8" Voz HD Conexión PoE Puertos USB Bluetooth Wi-Fi Grabación USB El teléfono Yealink SIP-T44U redefine la colaboración en la oficina con su diseño elegante y funcionalidad avanzada. Cuenta con hasta 12 cuentas VoIP independientes, lo que permite gestionar múltiples líneas con total eficiencia. Su pantalla LCD color de 2,8 pulgadas facilita la navegación intuitiva, mientras que la tecnología de voz HD garantiza una claridad excepcional en cada llamada. Gracias a sus dos puertos USB, puedes conectar auriculares, grabar llamadas o añadir módulos de expansión según tus necesidades. La compatibilidad nativa con Bluetooth y Wi-Fi amplía las posibilidades de conexión inalámbrica. Además, su soporte para PoE simplifica la instalación y el mantenimiento, asegurando una gestión empresarial robusta y segura. Especificaciones técnicas General Specifications Description 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, DND • Auto answer • 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 headset through BT40/BT41/BT51 - Support Yealink Bluetooth headset BH71/BH71 Workstation/-BH71 Workstation Pro/BH72/BH76/UH38 through BT51 > DECT wireless headset (Yealink WH62 Portable/WH63 Portable) > Contact synchronization through BT40/BT41/BT51 > Simultaneous connection of one headset and one mobile phone through BT40/BT41/BT51 > Wi-Fi through WF40/WF50 > USB call recording through USB flash drive > USB headset > Expansion Module EXP43 > Wireless Headset Adapter EHS40 > USB/Bluetooth connectivity to Yealink CP900/CP700 speakerphone/wireless headset UH38, USB connectivity to Yealink wired headset UH34/UH36/UH37: - Basic functions: Answer/end, call mute - Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple calls control • Enhanced DSS key Directory Local phonebook up to 1000 entries • Blocklist • 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 Appearance (BLA) • Anonymous call, anonymous call rejection • Hot-desking, voice mail • Flexible seating, Executive and Assistant • Call park, call pickup • Centralized call recording, call recording • Visual voice mail Feature keys 8 line keys with LED • 8 line keys can be programmed up to 12 paperless DSS keys (4-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 Other Physical Features Color: Classic Grey • Stand with 2 adjustable angles • Wall mountable • External Yealink AC adapter: AC 100-240 V input and DC 5 V/1.2 A output • USB output currency: 5 V 500 mA • Power consumption (PSU): 1.7 W - 4.1 W • Power consumption (PoE): 2.0 W - 4.9 W • Dimension (W*D*H*T): 224.9 × 206.2 × 174.9 × 52 mm • Operating humidity: 10~95% • Operating temperature: -10 to +45°C (+14 to 113°F) • Storage temperature: -30 to +70°C (-22 to +158°F) 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 Package Features Package content: - Yealink SIP-T44U IP phone - Handset with handset cord - Ethernet Cable (optional) - Stand (not applicable to US wall plate Standard) - Quick Start Guide • Qty/CTN: 5PCS • N.W/CTN: 5.764 kg • G.W/CTN: 6.352 kg • Giftbox size: 239 × 223 × 115 mm • Carton Meas: 595 × 230 × 248 mm T4U Auto-P template unified Up to 12 SIP accounts Bluetooth via BT40/BT41/BT51 Stand with 2 adjustable angles Handset with hall switch Audio Features HD voice: HD handset, HD speaker • Hearing aid compatible (HAC) handset • Acoustic Shield • Smart Noise Filtering • Wideband codec: AMR-WB (optional), G.722 • Narrowband codec: AMR-NB (optional), PCMU (G.711μ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, 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 Display and Indicator 2.8” 320x240-pixel color 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 T4U firmware unified PoE support Wi-Fi via WF40/WF50 Red y protocolos Interfaz Dual-port Gigabit Ethernet • Power over Ethernet (IEEE 802.3af), class 3 • 1 x RJ9 (4P4C) handset port • 1 x RJ9 (4P4C) headset port • 2 x USB port (2.0 compliant) 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 1.3) • HTTPS certificate manager • AES encryption for configuration file (AES256) • Digest authentication • OpenVPN, IEEE802.1X, L2TP VPN • IPv6 • LLDP/CDP/DHCP VLAN • ICE • WPA2/WPA3 • Secure boot • GARP (Generic Attribute Registration Protocol) Dual USB ports USB headset and EHS support Imagen y óptica 2.8” 320x240-pixel color LCD with backlight Dual firmware images Dimensiones y montaje Supports color-screen expansion modules Wall mountable