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Mô tả:
Điện thoại Yealink SIP-T53 rất dễ sử dụng với màn hình LCD 3,7 inch, cập nhật được công nghệ không dây mới nhất với Yealink Bluetooth USB Dongle BT40 và Yealink Wi-Fi USB Dongle WF40/WF50. SIP-T53 tích hợp với cổng USB 2.0 cho phép bạn ghi âm qua USB hoặc tai nghe USB có dây/không dây hoặc kết nối tối đa ba mô-đun mở rộng Yealink EXP50
Thông số kỹ thuật | |
Tên thông số | Thông số kỹ thuật |
Audio Features | • HD voice: HD handset, HD speaker • Hearing aid compatible (HAC) handset • Acoustic Shield • Audio codec: Opus, G.722, PCMA, PCMU, G.729A/B, G.726, G.723.1, 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 • Call hold • Mute, DND • Redial, call return • auto answer • One-touch speed dial, hotline • Call forward, call waiting, call transfer • Group listening, SMS • Emergency call • 5-way conferencing • 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) • Content Sharing (via Yealink VCD) • Enhanced DSS key |
Corded-Cordless Phone (via DECT Dongle DD10K) | • Up to 4 DECT cordless handsets • Up to 4 concurrent calls • Support Yealink W52H/W53H/W56H/DD Phone • Slave Handset for Master Deskset |
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 • Call recording |
Display and Indicator | • 3.7" 360x160-pixel graphical LCD with backlight • LED for call and message waiting indication • Dual-color (red or green) illuminated LEDs for line status • Intuitive user interface with icons and soft keys • Multilingual user interface • Caller ID with name and number • Power saving |
Feature keys | • 8 line keys with LED • 8 line keys can be programmed up to 21 various features (3-page view) • 5 features keys: mute, headset, message, redial, hands-free speakerphone • 4 context-sensitive “soft” keys • 6 navigation keys • Volume control keys • Illuminated mute/headset/hands-free speakerphone key |
Interface | • Dual-port Gigabit Ethernet • Power over Ethernet (IEEE 802.3af), class 2 • 1 x USB port (2.0 compliant) • 1 x RJ9 (4P4C) handset port • 1 x RJ9 (4P4C) headset port |
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/PPPoE • 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 (TLS1.2) • HTTPS certificate manager • AES encryption for configuration file • Digest authentication • OpenVPN, IEEE802.1X • IPv6, LLDP/CDP/DHCP VLAN, ICE |
Other Physical Features | • Color: Classic Grey • Wall mountable (optional) • External Yealink AC adapter (optional): AC 100~240V input and DC 5V/1.2A output • USB output currency: 5V 500mA • Power consumption (PSU): 1.3W-2.3W • Power consumption (PoE): 1.8W-3.1W • Dimension (W*D*H*T): 212mm*210.6mm*174.5mm*41.7mm • Operating humidity: 10~95% • Operating temperature: -10~50°C (+14~122°F) |
Package Features | • Package content: - Yealink SIP-T53 IP phone - Handset with handset cord - Ethernet Cable - Stand - Quick Start Guide - Power Adapter (Optional) • Qty/CTN: 5 PCS • N.W/CTN: 5.8 kg • G.W/CTN: 6.4 kg • Giftbox size: 238mm*237mm*103mm • Carton Meas: 538mm*244mm*250mm R |