Yealink SIP-T42G โทรศัพท์แบบ IP (IP-Phone) จอ LCD รองรับ 12 SIP Account, HD Voice 2 Port รองรับ POE

Product Specification

Overview

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)

Audio Features

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

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
Integrated Screenshots
RTCP-XR
Enhanced DSS Key

Directory

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

IP-PBX Features

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

Display and Indicator

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

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

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

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): 1.1-2.3W
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)

Management

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

Package Features

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)

Network and Security

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