Product Description
- Yealink Optima HD voice
- Codecs: Opus, G.722, G.711(A/u), G.723, G.729AB, G.726, iLBC
- Dual-port Gigabit Ethernet
- Display: 7" 800x480 pixel color touch screen with backlight
- 29 one-touch DSS keys
- Built-in USB port allows support for Bluetooth headset with BT41 dongle or WiFi access with WF40 dongle
- Up to 16 SIP accounts
- Paper label-free design
- Local phonebook with up to 1,000 entries
- RJ9 headset port with EHS support (see EHS36 wireless headset adapter)
- Supports up to 6 EXP40 expansion modules
- Wall mountable (with kit WMB-T48)
- PoE 802.3af
- Power supply not included (PS5V2000US)
- Upgrades from T48G
- Device performance enhancement with faster response on the phone's user interface
- Opus support
- Enhanced speaker performance
- United firmware
- Hearing aid compatible handset
