Yealink SIP-T42S – Ultra Elegant Business IP Phone

Audio Features
> HD voice: HD handset, HD speaker
> Hearing aid compatible (HAC) handset
> Wideband codec: AMR-WB (optional), Opus*, G.722
> Narrowband codec: AMR-NB (optional), Opus*, 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
> 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 earphone through BT40,
Contact synchronization through BT40,
Wi-Fi through WF40,
USB call recording through USB flash drive
> 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 voice mail
> Call recording

Display and Indicator
> 2.7″ 192×64-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 port

Other Physical Features
> Stand with 2 adjustable angles
> Wall mountable
> External Yealink AC adapter (optional)􀄟 AC 100~240V input and DC 5V/1.2A output
> Power consumption (PSU): 1.7-3.2W
> Power consumption (PoE): 2.5-4.7W
> Dimension (W*D*H*T): 212mm*189mm*175mm*54mm
> Operating humidity: 10~95%
> Operating temperature: -10~50°C (+14~122°F)