FEATURES
• 7″ 800 x 480-pixel color touch screen with backlight
• Opus codec support
• Dual USB ports
• Dual firmware images
• T42U (pending)/T43U/T46U/T48U Auto-P template unified
• T42U (pending)/T43U/T46U/T48U 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 color-screen expansion modules
• Stand with two adjustable angles
SPECIFICATIONS
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, emergency call
• Redial, call return, auto answer
• 3-way conferencing
• 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
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, number and photo
• 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
• 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)
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port