Yealink SIP-T40G

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Yealink SIP-T40G

Designed with a revolutionary new appearance, the T40G supports flexible and secure provisioning and emphasizes intuitive, ease-of-use capabilities. The T40G includes Gigabit Ethernet for rapidly facilitating call handling, and its programmable keys help enhance productivity.

  • Display: 2.3” 132x64-pixel graphical LCD with backlight
  • Optima HD Voice uses advanced acoustic elements, such as duplex, echo cancellation and adaptive jitter buffer to maximize acoustic performance
  • SIP over Transport Layer Security (TLS/SSL) to provide the latest technology for enhanced network security
  • Dual-port Gigabit Ethernet
  • PoE support
  • Includes power adapter


  • Display: 132 x 64 (W x H) monochrome
  • 8x8-supported line keys: 2
  • Programmable keys: Not supported
  • Speed dials: No
  • BLF: No
  • Shared Lines: No
  • Local Conferencing: 3-way
  • Corporate Directory: Up to 1,000 entries
  • Hot desking: No
  • HD Audio: Yes
  • Wideband Codec: Opus, G.722
  • Narrowband Codec: G.711, G.729
  • Multicast Paging: No
  • USB: No
  • Ethernet ports: 2 x 10/100/1000
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