Technical details
| Speakerphone |
Y |
| Keypad number of keys |
48 |
| Expansion module support |
Y |
| Handset |
1 |
| Handset type |
Wired handset |
Power
| AC adapter output voltage |
5 V |
| AC adapter input voltage |
100 - 240 V |
| Power consumption (PowerSave) |
1.6 W |
| Power over Ethernet (PoE) |
Y |
Memory
| Flash memory |
8 MB |
| Internal memory |
32 MB |
Phone features
| Call pick up |
Y |
| Full duplex |
Y |
| Call hold |
Y |
| Anonymous call rejection |
Y |
| Intercom |
Y |
| Conference call |
Y |
| Speed dialing |
Y |
| Call waiting |
Y |
| Caller ID |
Y |
| Distinctive ring |
Y |
| Call park |
Y |
| Redialing |
Y |
| Short Message Service (SMS) |
Y |
| Anonymous call |
Y |
| Phonebook capacity |
300 entries |
Audio
| Voice activity detection |
Y |
| Echo cancellation |
Y |
| Noise reduction |
Y |
Ports & interfaces
| RJ-9 ports quantity |
2 |
| DC-in jack |
Y |
Networking
| Bluetooth |
N |
| Quality of Service (QoS) support |
Y |
Packaging content
| Number of handles included |
1 pc(s) |
Additionally
| Call forwarding capability |
Y |
| Ethernet LAN (RJ-45) ports quantity |
2 |
| Ethernet LAN connection |
Y |
Yealink SIP-T28P, 2.6 W, AC 100-240 V, 1.05kg, 320 x 160 LCD, Full duplex
The prestigious premium phone Yealink SIP-T28P features a large backlit, full graphic display. With 6 SIP accounts for the trunk line display (BLA), 10 pre-programmed and 16 programmable buttons - expandable with optional keyboard modules, the corresponding busy lamp field (BLF), a phonebook with 300 entries, full duplex speakerphone and high-definition audio (G.722 ) this model enters the upscale business environment.