Yealink SIP Τηλέφωνο T57W New Chipset

Περιγραφή

Τεχνικά Χαρακτηριστικά

• Brand
  Yealink
• Model
  SIP-T57W
• Series
  T5 Series
• Product Type
  IP Desk Phone
• Chipset
  New chipset
• Operating System
  Linux-based
• Display
  7-inch capacitive touchscreen
• Display Resolution
  800 x 480 pixels
• Display Type
  Adjustable color touchscreen
• SIP Accounts
  16
• Bluetooth
  Built-in Bluetooth 4.2
• Wi-Fi
  Built-in dual-band 2.4GHz/5GHz
• Wi-Fi Standards
  IEEE 802.11a/b/g/n/ac
• Ethernet
  Gigabit Ethernet
• USB Ports
  1 x USB 2.0
• Expansion Module Support
  Up to 3 EXP50 color-screen expansion modules
• Audio
  HD voice, HD handset, HD speaker
• Noise Reduction
  Acoustic Shield technology
• Hearing Aid Support
  HAC handset
• Codecs
  Opus, G.722, PCMA, PCMU, G.729A/B, G.726, G.723.1, iLBC
• DTMF
  In-band, Out-of-band RFC 2833, SIP INFO
• Protocols
  SIP, RTCP-XR, VQ-RTCPXR
• Security
  AES, HTTPS, MD5, SRTP, Digest authentication, OpenVPN, IEEE 802.1X, L2TP VPN, IPv6, LLDP/CDP/DHCP VLAN, ICE, WPA2/WPA3, secure boot, TLS 1.3
• Power
  PoE IEEE 802.3af Class 2 or optional 5V/2A AC adapter
• Power Consumption
  4.0W to 7.8W via PoE
• Color
  Classic Grey
• Dimensions
  259.4 x 220 x 211 x 44.5 mm
• Mounting
  Desktop with optional wall mount
• Package Contents
  IP phone, handset with cord, Ethernet cable, stand, quick start guide, optional power adapter

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