Yealink T42G Gigabit & Color IP Phone PoE, without Power Supply

The SIP-T42G is a feature-rich sip phone for business. The 3-Line IP Phone has been designed by pursuing ease of use in even the tiniest details. Delivering a superb sound quality as well as rich visual experience. Supports seamless migration to GigE-based network infrastructure. With programmable keys, the IP Phone supports vast productivity-enhancing features. Using standard encryption protocols to perform highly secure remote provisioning and software upgrades.

Audio Features

• HD voice: HD handset, HD speaker
• Wideband codec: G.722
• Narrowband codec: G.711(A/μ), G.723, G.729AB, G.726, GSM, 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

• 3 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 confernece 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

Directory

• Local phonebook up to 1000 entries
• Black list
• XML/LDAP remote phonebook
• Intelligent search method
• Phonebook search/import/export
• Call history: dialed/received/missed/forwarded

IP-PBX Features

• Busy lamp field (BLF)
• Bridged line apperance(BLA)/SCA
• Anonymous call, anonymous call rejection
• Message Waiting Indicator (MWI)
• Voice mail, call park, call pickup
• Intercom, paging, music on hold
• 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
• National language selection
• Caller ID with name, number

Feature keys

• 6 line keys with LED
• 6 line keys can be programmed up to 15 various features (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
• 1xRJ9 (4P4C) handset port
• 1xRJ9 (4P4C) headset port
• Power over Ethernet (IEEE 802.3af), Class 2

Other Physical Features

• Stand with 2 adjustable angles
• Wall mountable (sold separately)
• External Universal AC Adapter (sold separately)：AC 100~240V input and DC 5V/1.2A output
• Power consumption (PSU): 1.4W-3.9W
• Dimension(W*D*H*T): 212mm*189mm*175mm*54mm
• Operating humidity: 10~95%
• Storage temperature: -10~50°C

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
• Provisioning server redundancy supported
• Reset to factory, reboot
• Package tracing export, system log

Network and Security

• SIP v1 (RFC2543), v2 (RFC3261)
• NAT transverse: 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 and video
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication using MD5/MD5-sess
• OpenVPN, IEEE802.1X
• IPv6