SIP-T42G

A Reliable and Affordable SIP Phone for Business

SIP-T42S

The SIP-T42S IP phone is a dynamic business communications tool for superior voice communications and extended functionality. It has a faster, more responsive interface than the T42G and offers better overall performance. The SIP-T42S is a 12-line IP phone with multiple programmable keys for enhancing productivity. It is with Yealink Optima HD Voice Technology and wideband codec of Opus for superb sound quality and crystal clear communications.What’s more, the SIP-T42S is built with Gigabit Ethernet technology for rapid call handling. Plus, with an all-new USB port, the SIP-T42S boasts unparalleled functionality and expansibility with Bluetooth, Wi-Fi and USB recording features. The new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration.

T42S Lantone

Product Details

Phone Features

  • 12 VoIP accounts
  • One-touch speed dial, redial
  • Call forward, call waiting
  • Call transfer, call hold
  • Call return, group listening
  • Mute, auto answer, DND
  • 3-way conference call
  • Direct IP call without SIP proxy
  • Ring tone selection/import/delete
  • Hotline, emergency call
  • Set date time manually or automatically
  • Dial plan
  • Opus* codec support
  • USB 2.0
  • T4S Auto-P template unified
  • T4S firmware unified
  • Opus: Support 8 kHz (narrowband) and 16 kHz (wideband) sampling rate

Physical Features

  • 2.7" 192x64-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
  • National language selection
  • Caller ID with name, number Feature keys
  • 6 line keys can be programmed up to 15 various features (3-page view)
  • 5 features keys: message, headset, mute, redial, hands-free speakerphone

IP-PBX and BroadSoft Features

  • Busy Lamp Field (BLF)
  • Bridged Line Apperance(BLA)
  • Anonymous call, anonymous call rejection
  • Hot-desking
  • Message Waiting Indicator (MWI)
  • Voice mail
  • Call park, call pickup
  • Intercom, paging
  • Music on hold
  • Call recording
  • > USB port (2.0 compliant):
  • Bluetooth earphone through BT40, Wi-Fi through WF40,
  • USB call recording through USB flash drive

Network and Security

  • SIP v1 (RFC2543), v2 (RFC3261)
  • NAT transverse: 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 using MD5/MD5-sess
  • OpenVPN, IEEE802.1X
  • IPv6

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
  • Reset to factory, reboot
  • Package tracing export, system log

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