Yealink T42S

The SIP-T42S is a feature-rich sip phone for business. This 12-Line IP Phone has been designed by pursuing ease of use in even the tiniest details, delivering superb sound quality and a rich visual experience. Supports seamless migration to GigE-based network infrastructure. With programmable Keys, the T42G supports vast productivity-enhancing features. Uses standard encryption protocols to perform highly secure remote provisioning and software upgrades.

Features

  • Yealink Optima HD voice
  • Dual-port Gigabit Ethernet
  • 2.7″ 192×64-pixel graphical LCD with backlight
  • Up to 12 SIP accounts
  • Paper label free design
  • PoE support
  • Headset, EHS support
  • Integrated stand with 2 adjustable angles
  • Wall mountable
  • Simple, flexible and secure provisioning options

Network & 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