Key Features and Benefits

• 2.7" 192x64-pixel graphical LCD
• with backlight
• Opus* codec support
• USB 2.0
• T4S Auto-P template unified
• T4S firmware unified
• Up to 12 SIP accounts
• Dual-port Gigabit Ethernet
• PoE support
• Paperless label design
• Headset, EHS support
• Integrated stand with 2 adjustable
• angles
• Wall mountable

Audio Features

• HD voice: HD handset, HD speaker
• Hearing aid compatible (HAC) handset
• Wideband codec: Opus*, G.722
• Narrowband codec: Opus*, G.711(A/), 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

•  12 VoIP accounts
• One-touch speed dial, redial
• Call forward, call waiting
• Call transfer, call hold
• Call return, group listening
• Mute, auto answer, DND
•  3-way conference call
• Direct IP call without SIP proxy
• Ring tone selection/import/delete
• Hotline, emergency call
• 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 earphones through BT40 (pending),
• Wi-Fi through WF40 (pending),
• USB call recording through USB flash drive (pending)
• 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 Appearance (BLA)

> Anonymous call, anonymous call rejection

> Hot-desking, voice mail

> Flexible seating

> Call park, call pickup

> Executive and Assistant

> Centralized call recording

> Visual voicemail

> Call recording

Display and Indicator

> 2.7" 192x64-pixel graphical 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

Feature keys

> 6 line keys with LED

> 6 line keys can be programmed up to 15

paperless DSS keys (3-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

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

> 1 x RJ12 (6P6C) EHS po

Package Features

> Package content:

- Yealink SIP-T42S IP phone

- Handset with handset cord

- Ethernet Cable (2m CAT5E UTP Cable)

- Stand

- Quick Start Guide

- Power Adapter (Optional)

- Wall Mount Bracket (Optional)

NEW IN THE BOX