The Yealink SIP-T42G is a 12-line business Gigabit VoIP phone with Yealink Optima HD Voice and headset support. The T42G features Power Over Ethernet capability, a 2.7" backlit display, and enhanced call management.
 
Yealink SIP-T42G Features and Functions:
12 Line Appearances
Dual-port Gigabit Ethernet
Yealink Optima HD Voice Supported
Up to 12 SIP accounts
Full-duplex hands-free speakerphone
No expansion module support
RJ9 Headset Port
2.7" 192x64-pixel backlit Graphical LCD
Wall mountable
Supports PoE, Power Supply also available separately