รายละเอียด
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Product Specification |
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Overview |
Yealink SIP-T48U IP-Phone รองรับ 16 SIP Account, Opus codec support, Port Gigabit, จอ 7″ Touch Screen รองรับ POE |
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Key Features and Benefits |
Easy Customization and High Expansibility HD Audio Efficient Installation and Provisioning Secure Transport and Interoperability 7-inch Touch Screen Optima HD Voice Dual USB Ports Acoustic Shield Unified Firmware Expansion Module Opus Codec |
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Specifications |
7″ 800 x 480-pixel color touch screen with backlight Opus codec support Dual USB ports T4U Auto-P template unified T4U firmware unified Up to 16 SIP accounts Dual-port Gigabit Ethernet PoE support Paperless label design Headset, EHS support Wi-Fi via WF40/WF50 Bluetooth via BT40/BT41 USB recording Supports expansion modules Stand with two adjustable angles Wall mountable |
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Audio Features |
HD voice: HD handset, HD speaker Hearing aid compatible (HAC) handset Acoustic Shield Codecs: AMR-WB (optional), AMR-NB (optional), Opus, G.722, 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 |
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Phone Features |
16 VoIP accounts Call hold, mute, DND One-touch speed dial, hotline Call forward, call waiting, call transfer Group listening, SMS, emergency call Redial, call return, auto answer 3-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) USB port (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 Expansion Module EXP43 Wireless Headset Adapter EHS40 Enhanced DSS key |
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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 |
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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 Visual voice mail |
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Display and Indicator |
7″ 800 x 480-pixel color touch screen with backlight 24 bit depth color LED for call and message waiting indication Wallpaper Intuitive user interface with icons and soft keys Multilingual user interface Caller ID with name and number Screensaver Power saving |
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Feature keys |
29 one-touch DSS keys 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone 6 navigation keys 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone Volume control keys Illuminated mute key Illuminated headset key Illuminated hands-free speakerphone key |
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Interface |
Dual-port Gigabit Ethernet Power over Ethernet (IEEE 802.3af), Class 3 2 x USB port (2.0 compliant) 1xRJ9 (4P4C) handset port 1xRJ9 (4P4C) headset port |
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Other Physical Features |
Color: Classic Grey Wall mountable (optional) External Yealink AC adapter (optional) AC 100~240V input and DC 5V/2A output USB output currency: 5V 1A Power consumption (PSU): 1.8-3.8W Power consumption (PoE): 2.3-4.7W Dimension (W*D*H*T): 26.6cm*22.6cm*18.5cm*5.4cm Operating humidity: 10~95% Operating temperature: 0~40°C (+32~104°F) |
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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 |
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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 |
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Package Content |
Yealink SIP-T48U IP Phone Handset with handset cord Ethernet Cable (2m CAT5E UTP Cable) Stand Quick Start Guide |
