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Product Specification
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Overview
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Yealink SIP-T21P-E2 อุปกรณ์โทรศัพท์แบบ IP (IP-Phone) จอ LCD ขนาด 132×64 pixels รองรับ 2 คู่สาย, 2 SIP Account, 2 Port Ethernet 10/100 Mbps, , HD Voice ,Setup ผ่าน Webbrowser และ Telephone Key Pad (IVR) พร้อม Adapter ในชุด รองรับ POE สำหรับใช้งานในบ้านหรือสำนักงาน
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Audio Features
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Full-duplex hands-free speakerphone with AEC
Codecs: G.722 ( Wideband), G.711(A/?), G.723, G.729AB, G.726
DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
VAD, CNG, AEC, PLC, AJB, AGC
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Directory
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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
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Phone Features
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2 VoIP accounts
Call hold, mute, DND
One-touch speed dial, hotline
Redial, call return, auto answer
Call forward, call waiting, call transfer
Group listening, SMS
Local 3-way conferencing
Direct IP call without SIP proxy
Ring tone selection/import/delete
Keypad lock, emergency call
Set date time manually or automatically
Dial plan, XML Browser, action URL&action URI
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IP-PBX Features
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Anonymous call, anonymous call rejection
Message waiting indicator (MWI)
Voice mail, call park, call pickup
Intercom, paging, music on hold
Call completion, call recording, hot-desking
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Display and Indicator
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132×64-pixel graphical LCD
LED for call and message waiting indication
Intuitive user interface with icons and soft keys
National language selection
Caller ID with name, number
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Network and Security
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SIP v1 (RFC2543), v2 (RFC3261)
IPv6, open VPN
NAT transverse: STUN mode
Proxy mode and peer-to-peer SIP link mode
IP assignment: static/DHCP/PPPoE
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
IEEE802.1X
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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
Provisioning server redundancy supported
Reset to factory, reboot
Package tracing export, system log
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Physical Features
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2xRJ45 10/100M Ethernet ports
31 keys including 4 soft keys
4 LEDs: 1xpower, 2xline, 1xmessage
1xRJ9 handset port
1xRJ9 headset port
Wall-mountable
Power adapter: AC 100~240V input and DC 5V/600mA Output
Power over Ethernet (IEEE 802.3af)
Power consumption: 1.4-2.6W
Net weight: 0.81kg
Dimension: 209mm*188mm*150mm*41mm
Operating humidity: 10~95%
Storage temperature: -10~50?C
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Package Features
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Qty/CTN: 10 PCS
N.W/CTN: 10.8KG
G.W/CTN: 12.3KG
Giftbox size: 215mm*200mm*118mm
Carton Meas: 615mm*436mm*208mm
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