- Upgrade from T27P: Dual Gigabit Ethernet ports
- Yealink Optima HD voice
- Wideband codec: G.722
- Narrowband codec: G.711(A/�) G.723.1 G.729AB G.726 iLBC
- 3.66" 240x120-pixel graphical
- LCD with backlight
- Up to 6 SIP accounts
- Paper label free design
- PoE support
- One RJ9 headset port with EHS support (with EHS36 wireless headset adapter)
- Integrated stand with 2 adjustable angles
- Wall mountable (optional)
- Simple flexible and secure provisioning options
- Power over Ethernet (IEEE 802.3af) Class 2
- No power supply included (YEA-PS5V1200US)
- Yealink Optima HD voice
- Wideband codec: G.722
- Narrowband codec: G.711(A/�) G.723.1 G.729AB G.726 iLBC
- 3.66" 240x120-pixel graphical
- LCD with backlight
- Up to 6 SIP accounts
- Paper label free design
- PoE support
- One RJ9 headset port with EHS support (with EHS36 wireless headset adapter)
- Integrated stand with 2 adjustable angles
- Wall mountable (optional)
- Simple flexible and secure provisioning options
- Power over Ethernet (IEEE 802.3af) Class 2
- No power supply included (YEA-PS5V1200US)