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IP telefonai Yealink SIP-T4X

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IP telefonas Yealink SIP-T48S

Prekės Nr.: 18918

Yealink SIP-T4 serijos modelių palyginimas 

Yealink SIP-T48S (be maitinimo šaltinio)

SIP-T48S IP telefonas yra dinamiškas verslo komunikacijos sprendimas vadovams ir specialistams. Šiame telefone esantis didelis liečiamas ekranas leidžia greitai ir patogiai perjungti puslapius ir programas. SIP-T48S kartu su Yealink "Optima HD Voice" technologija ir Opus codec užtikrina ypač aukštą garso kokybę. Telefonas naudoja "Gigabit Ethernet" technologiją greitam skambučių valdymui. Be to, jis veikia kartu su "Bluetooth USB Dongle" ir "Wi-Fi USB Dongle". 

Savybės

• 7" 800 x 480-pixel color touch screen with backlight
• Opus* codec support
• USB 2.0
• T4S Auto-P template unified
• T4S firmware unified
• Up to 16 SIP accounts
• Dual-port Gigabit Ethernet
• PoE support
• Paperless label design
• Headset, EHS support
• Wi-Fi via WF40
• Bluetooth via BT40
• USB recording
• Supports expansion modules
• Stand with two adjustable angles
• Wall mountable
* Opus: Support 8 kHz (narrowband) and 16 kHz (wideband) sampling rate

Specifikacija

Garso savybės

  • HD voice: HD handset, HD speaker
  • Codecs: G.722, 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

Telefono savybės

  • 16 VoIP accounts
  • Call hold, mute, DND
  • One-touch speed dial, hotline
  • Call forward, call waiting, call transfer
  • Group listening, emergency call
  • Redial, call return, auto answer
  • 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
  • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
  • USB port (2.0 compliant) for:
  • Bluetooth earphone through BT40,
  • Contact synchronization through BT40,
  • Wi-Fi through WF40,
  • USB call recording through USB flash drive
  • > Enhanced DSS key


Direktorija

  • 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
  •  

IP-PBX savybės

  • Busy Lamp Field (BLF)
  • Bridged Line Apperance(BLA)
  • Anonymous call, anonymous call rejection
  • Remote office, hot-desking
  • Message Waiting Indicator (MWI)
  • Voice mail, call park, call pickup
  • Intercom, paging, music on hold
  • Call completion, call recording


Ekranas ir indikatorius

  • 7" 800 x 480-pixel color touch screen with backlight
  • 24 bit depth color
  • LED for call and message waiting indication
  • Wallpaper
  • Intuitive user interface with icons and soft keys
  • National language selection
  • Caller ID with name, number and photo


Funkciniai mygtukai

  • 29 one-touch DSS keys
  • 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone
  • 6 navigation keys
  • Volume control keys
  • Illuminated mute key
  • Illuminated headset key
  • Illuminated hands-free speakerphone key


Sąsajos

  • Dual-port Gigabit Ethernet
  • Power over Ethernet (IEEE 802.3af), class 3
  • Built-in a USB port, support Bluetooth headset (Through USB Dongle)
  • 1xRJ9 (4P4C) handset port
  • 1xRJ9 (4P4C) headset port
  • 1XRJ12 (6P6C) EXT port: Supports up to 6 Expansion Modules for an attendant console application


Kitos fizinės savybės

  • Wall mountable (optional)
  • External universal AC adapter (optional): AC 100~240V input and DC 5V/2A output
  • Power consumption (PSU): 2.0-6.4W
  • Power consumption (PoE):2.4-10.5W
  • Dimension(W*D*H*T): 266mm*226mm*185mm*54mm
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C


Administravimas

  • 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


Tinklas ir saugumas

  • 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/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
  • OpenVPN, IEEE802.1X
  • IPv6


Pakuotės savybės

  • Qty/CTN: 5 PCS
  • N.W/CTN: 8.2 kg
  • G.W/CTN: 9 kg
  • Giftbox size: 324mm*263mm*128mm
  • Carton Meas: 660mm*338mm*273mm