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Yealink SIP-T21P E2 IP Phone

Yealink SIP-T21P E2 IP Phone

Διαθεσιμότητα: Σε διαθεσιμότητα

Κωδικός Προιόντος: SIP-T21 E2
Yealink SIP-T21P E2 IP Phone with 2 Lines & HD voice
49,90 €
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Specifications
Audio Features • HD voice: HD handset, HD speaker 
• Wideband codec: G.722 
• Narrowband codec: 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 • 2 VoIP accounts 
• Call hold, mute, DND 
• One-touch speed dial, hotline 
• Call forward, call waiting, call transfer 
• Group listening, SMS, emergency call 
• Redial, call return, auto answer 
• Local 3-way conferencing 
• Direct IP call without SIP proxy 
• Ring tone selection/import/delete 
• Set date time manually or automatically 
• Dial plan 
• XML Browser, action URL/URI
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 
• Message Waiting Indicator (MWI)
• Voice mail, call park, call pickup 
• Intercom, paging, music on hold, emergency call
• Call completion, call recording, hot-desking
Display and Indicator • 132x64-pixel graphical LCD 
• LED for call and message waiting indication 
• One-color (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 • 2 line keys with LED 
• 6 features keys: message, headset, redial, tran, mute, hands-free speakerphone 
• 6 navigation keys 
• Volume control keys
Interface • 2xRJ45 10/100M Ethernet ports 
• Power over Ethernet (IEEE 802.3af), class 2 
• 1xRJ9 (4P4C) handset port 
• 1xRJ9 (4P4C) headset port
Other Physical Features • Wall mountable 
• External universal AC adapter (optional): AC 100~240V input and DC 5V/600mA output 
• Power consumption (PSU): 1.2-1.9W 
• Power consumption (PoE): 1.8-2.3W 
• Dimension(W*D*H*T): 209mm*188mm*150mm*41mm 
• Operating humidity: 10~95% 
• Operating temperature: -10~50°C
Management • Configuration: browser/phone/auto-provision 
• Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy 
• Auto-provision with PnP 
• Zero-sp-touch 
• Phone lock for personal privacy protection
• Reset to factory, reboot 
• Package tracing export, system log
Network and Security • SIP v1 (RFC2543), v2 (RFC3261) 
• Call server redundancy supported
• 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 
• Transport Layer Security (TLS) 
• HTTPS certificate manager 
• AES encryption for configuration file 
• Digest authentication using MD5/MD5-sess 
• OpenVPN, IEEE802.1X 
• IPv6

2643 023555

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