- Yealink Optima HD voice
- Wideband codec: G.722
- Narrowband codec: G.711(A/�) G.723.1 G.729AB G.726 iLBC
- Dual-port Gigabit Ethernet
- 2.7" 192x64-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
- Power over Ethernet (IEEE 802.3af) Class 2No power supply included (YEA-PS5V1200US)
- Not compatible with an expansion module
- Wideband codec: G.722
- Narrowband codec: G.711(A/�) G.723.1 G.729AB G.726 iLBC
- Dual-port Gigabit Ethernet
- 2.7" 192x64-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
- Power over Ethernet (IEEE 802.3af) Class 2No power supply included (YEA-PS5V1200US)
- Not compatible with an expansion module