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Product Specification
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Overview
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Yealink SIP-T42G โทรศัพท์แบบ IP (IP-Phone) จอ LCD รองรับ 12 คู่สาย, 12 SIP Account, 2 Port Gigabit รองรับ POE 802.3afรองรับ POE มาตรฐาน 802.3af (ไม่มี Adapter ในชุดอุปกรณ์)
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Audio Features
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HD voice: HD handset, HD speaker
Wideband codec: G.722
Narrowband codec: 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
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Phone Features
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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
Integrated Screenshots
RTCP-XR
Enhanced DSS Key
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Directory
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Loal phonebook up to 1000 entries
Black list
XML/LDAP remote phonebook
Intelligent search method
Phonebook search/import/export
Call history: dialed/received/missed/forwarded
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IP-PBX Features
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Busy Lamp Field (BLF)
Bridged Line Apperance(BLA)
Anonymous call, anonymous call rejection
Hot-desking, voice mail
Message Waiting Indicator (MWI)
Call park, call pickup
Intercom, paging, music on hold
Call recording
Flexible seating
Executive and Assistant
Centralized call recording
Visual Voice Mail
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Display and Indicator
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2.7″ 192 x 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
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Feature keys
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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
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Interface
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2 x RJ45 10/100/1000Mbps Ethernet ports
1xRJ9 (4P4C) handset port
1xRJ9 (4P4C) headset port
1XRJ12 (6P6C) EHS port
Power over Ethernet (IEEE 802.3af), Class 2
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Other Physical Features
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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): 1.1-2.3W
Power consumption (PoE): 1.7-3.2W
Dimension(W*D*H*T):
212mm*189mm*175mm*54mm
Operating humidity: 10~95%
Operating temperature: -10~50?C (+14~122?F)
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Management
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Configuration: browser/phone/auto-provision
Auto provision via FTP/TFTP/HTTP/HTTPS
for mass deploy
Auto-provision with PnP
Zero-sp-touch, TR-069
Reset to factory, reboot
Package tracing export, system log
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Package Features
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Yealink SIP-T42G IP phone
Handset with handset cord
Ethernet Cable (2m CAT5E UTP Cable)
Stand
Quick Start Guide
Power Adapter (Optional)
Wall Mount Bracket (Optional)
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Network and Security
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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 using MD5/MD5-sess
OpenVPN, IEEE802.1X
IPv6
LLDP/CDP/DHCP VLAN
ICE
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