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Điện thoại IP Yealink SIP-T23G

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> Yealink HD Voice
> Dual-port Gigabit Ethernet
> PoE support
> 132 x 64-pixel graphical LCD
> Up to 3 SIP accounts
> Opus codec support
> Supports Dual-color LEDs
> Headset support
> Wall mountable
> IPv6 support
> Paperless design
> Simple, flexible and secure provisioning options

Audio Features
> HD voice: HD handset, HD speaker
> Wideband codec: AMR-WB (optional), Opus, G.722
> Narrowband codec: G.711(A/µ), G.729, 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
> 3 SIP accounts
> Call hold, mute, DND
> One-touch speed dial, hotline
> Call forward, call waiting, call transfer
> Group listening, SMS
> 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, off hook hot line
> XML Browser, Action URL/URI
> Integrated screenshots
> RTCP-XR, VQ-RTCPXR
> Enhanced DSS Key
Directory
> Local phonebook up to 1000 entries
> Black list
> XML/LDAP remote phonebook
> Smart dialing
> 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, emergency call
> Message Waiting Indicator (MWI)
> Voice mail, call park, call pickup
> Intercom, paging, music on hold
> Call completion, call recording
> Flexible seating
> Executive and Assistant
> Centralized call recording
> Visual voice mail

Display and Indicator
> 132 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
> 3 line keys with LED
> 5 features keys: message, headset, redial, tran,
hands-free speakerphone
> 6 navigation keys
> Volume control keys
Interface
> Dual-port Gigabit Ethernet
> Power over Ethernet (IEEE 802.3af), class 1
> 1 x RJ9 (4P4C) handset port
> 1 x RJ9 (4P4C) headset port
Other Physical Features
> Color: Black
> Wall mountable
> External Yealink AC adapter (optional):
AC 100~240V input and DC 5V/600mA output
> Power consumption (PSU): 0.7-1.5W
> Power consumption (PoE): 1.0-2.2W
> Dimension (W*D*H*T):
209mm*188mm*150mm*41mm
> 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
> 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 traveral: 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
> OpenVPN, IEEE802.1X
> IPv6
> LLDP/CDP/DHCP VLAN
> ICE
Package Features
> Package content:
– Yealink SIP-T23G IP phone
– Handset with handset cord
– Ethernet Cable (1.5m CAT5E UTP Cable)
– Stand
– Quick Start Guide
– Power Adapter (Optional)
> Qty/CTN: 10 PCS
> N.W/CTN: 11.3 kg
> G.W/CTN: 12.6 kg
> Giftbox size: 215mm*200mm*118mm
> Carton Meas: 615mm*436mm*208mm

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