Yealink SIP- T48U – Advanced SIP Phone for Professionals and Executives
The SIP-T48U IP phone employs an appealing large touch screen that makes the switch between pages and applications swift, easy and convenient. United Yealink Optima HD Voice technology and wideband codec of Opus, the T48U awards you superb audio quality and crystal-clear voice communications. Moreover, the T48U puts dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use any two of them freely according to your needs. The Yealink new T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration
Features:
- 7″ 800 x 480-pixel colour touch screen with backlight
- Opus codec support
- Dual USB ports
- Dual firmware images
- 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 colour-screen expansion modules
- Stand with two adjustable angles
- Wall mountable
| Audio Features |
|---|
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HD voice: HD handset, HD speaker |
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Hearing aid compatible (HAC) handset |
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Acoustic Shield |
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Smart Noise Filtering |
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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 |
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Full-duplex hands-free speakerphone with AEC |
|
VAD, CNG, AEC, PLC, AJB, AGC |
| Phone Features |
|---|
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16 VoIP accounts |
|
Call hold, mute, DND, Redial, call return, auto answer, one-touch speed dial, hotline, call forward, call waiting, call transfer |
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Group listening, SMS, emergency call |
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10-way conferencing |
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Direct IP call without SIP proxy |
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Ring tone selection/import/delete |
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Set date time manually or automatically |
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Dial plan, XML Browser, Action URL/URI |
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RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) |
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USB port (2.0 compliant) for: – Bluetooth earphone through BT40/BT41 – Contact synchronization through BT40/BT41 – Simultaneous connection of one headset and one mobile phone through BT40/BT41 – 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, USB connectivity to Yealink UH36
headset: – 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 |
|
Black list |
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XML/LDAP remote phonebook |
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Smart dialling |
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Phonebook search/import/export |
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Call history: dialed/received/missed/forwarded |
| IP-PBX Features |
|---|
|
Busy Lamp Field (BLF) |
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Bridged Line Appearance (BLA) |
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Anonymous call, anonymous call rejection |
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Hot-desking, voice mail |
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Flexible seating, Executive and Assistant |
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Call park, call pickup |
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Centralised call recording |
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Visual voice mail |
| Display and Indicator |
|---|
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7″ 800 x 480-pixel color touch screen with backlight |
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24 bit depth colour |
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LED for call and message waiting indication |
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Wallpaper/Screensaver |
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Intuitive user interface with icons and soft keys |
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Multilingual user interface |
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Caller ID with name, number and photo |
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Power saving |
| Feature keys |
|---|
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29 one-touch DSS keys |
|
7 features keys: message, headset, hold, mute,
transfer, redial, hands-free speakerphone |
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6 navigation keys |
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Volume control keys |
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Illuminated mute/headset/hands-free speakerphone key |
| Interface |
|---|
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Dual-port Gigabit Ethernet |
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Power over Ethernet (IEEE 802.3af), class 3 |
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1 x USB port (2.0 compliant) |
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1 x RJ9 (4P4C) handset port |
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1 x RJ9 (4P4C) headset port |
