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Điện thoại IP Yealink SIP-T56A
Thông số kỹ thuật Yealink SIP-T56A
Audio Features
• HD voice: HD handset, HD speaker
• Hearing aid compatible (HAC) handset
• Yealink Noise Proof Technology
• Audio codec: Opus, G.722, G.722.1, G.722.1C, G.711 (A/µ), G.723, G.726, G.729AB, 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
Display and Indicator
• 7" 1024 x 600 capacitive touch screen
• 5 points multi-touch surface
• Screensaver and Wallpaper
• LED for call and message waiting indication
• Intuitive user interface with icons and soft keys
• Multilingual user interface
• Caller ID with name, number and photo Android bundled Applications
• FileManager/Email/Calendar/Gallery/Recorder/Calculator/Browser/Message
• Third party Android application support Phone Features
• Yealink’s SDK (Software Development Kit)
• 16 VoIP accounts
• Call hold, call forward
• Call waiting, call transfer
• One-touch speed dial, hotline
• Mute, DND
• Group listening, emergency call
• Redial, call return, auto answer
• Direct IP call without SIP proxy
• Ring tone select/import/delete
• Set date time manually or automatically
• Dial plan, action URL/URI
• RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
• Five-party audio conferencing
• Data import/export via Bluetooth, email, etc.
• DoorPhone features: Preview, One-button Open, Monitoring
Corded-Cordless Phone (via DECT Dongle DD10K)
• Up to 4 DECT cordless handsets
• Up to 4 concurrent calls
• Support Yealink W52H/W53H (OTA pending)/W56H/DD Phone
• Slave Handset for Master Deskset
IP-PBX Features
• Busy Lamp Field (BLF)
• Bridged Line Appearance (BLA)
• Anonymous call, anonymous call rejection
• Remote office, hot desking, intercom, paging
• Message Waiting Indicator (MWI)
• Voice mail, call park, call pickup, music on hold
• Call completion, call recording
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
Feature keys
• 27 one-touch DSS keys
• 8 feature keys: hold, transfer, message, headset, mute, redial, speakerphone, volume
• Illuminated mute/headset/hands-free speakerphone key
Interface
• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), class 3
• Built-in Wi-Fi (2.4GHz, 802.11b/g/n)
• Built-in Bluetooth 4.0+ EDR for
- Bluetooth headsets
- Pairing mobile devices
• 1 x USB 2.0 port (on the rear of the phone) for:
- USB flash drive
- Wired/wireless USB headset
- Color-screen expansion modules
• 1 x Security lock port
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port
• Supports up to 3 color-screen expansion modules
Management
• Configuration: browser/phone/auto provision
• Auto provision via FTP/TFTP/HTTP/HTTPS
• Auto provision with PnP, Zero-sp-touch, TR-069
• Phone lock for personal privacy protection
• Reset to factory, reboot
• Package tracing export, system log
• T56A&T58A&T58V unified firmware and common.cfg file
• Only the administrator can install/uninstall apps via autop
• Setup Assistant wizard
Network and Security
• IPv4/IPv6
• 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/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
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for configuration file
• Adb encryption authenticated
• Digest authentication using MD5/MD5-sess
• OpenVPN, IEEE802.1X
Other Physical Features
• Color: Metallic Grey
• Wall mountable (optional)
• External Yealink AC adapter (optional): AC 100~240V input and DC 5V/2A output
• Power consumption (PSU): 1.5W-4.5W
• Power consumption (PoE): 2.3W-6.0W
• Dimension (W*D*H*T): 259.4mm*235.2mm*194.5mm*42.6mm
• Operating humidity: 10~95%
• Operating temperature: -10~40°C (+14~104°F)
Package Features
• Package content:
- Yealink SIP-T56A IP phone
- Handset with handset cord
- Ethernet Cable (2m CAT5E FTP Cable)
- Stand
- Quick Start Guide
- Power Adapter (Optional)
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