Yealink SIP-T48U IP-Phone, 16 SIP Account, Opus Codec, จอ 7″ Touch Screen

Product Specification

Overview

Yealink SIP-T48U IP-Phone รองรับ 16 SIP Account, Opus codec support, Port Gigabit, จอ 7″ Touch Screen รองรับ POE

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

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

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

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

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

Visual voice mail

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

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

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

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)

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 Content

Yealink SIP-T48U IP Phone

Handset with handset cord

Ethernet Cable (2m CAT5E UTP Cable)

Stand

Quick Start Guide