Phone features
| Anonymous call |
Y |
| Redialing |
Y |
| Distinctive ring |
Y |
| Phonebook capacity |
300 entries |
| Caller ID |
Y |
| Call waiting |
Y |
| Call park |
Y |
| Speed dialing |
Y |
| Lines quantity |
3 lines |
| Conference call |
Y |
| Intercom |
Y |
| Anonymous call rejection |
Y |
| Call hold |
Y |
| Call pick up |
Y |
Audio
| Voice activity detection |
Y |
| Adaptive jitter buffers |
Y |
| Echo cancellation |
Y |
Technical details
| Expansion module support |
Y |
| Keypad number of keys |
45 |
| Speakerphone |
Y |
Memory
| Internal memory |
32 MB |
| Flash memory |
8 MB |
Power
| Power over Ethernet (PoE) |
Y |
Networking
| Quality of Service (QoS) support |
Y |
| Supported network protocols |
802.1p/Q, ToS/DSCP |
Additionally
| Call forwarding capability |
Y |
| Ethernet LAN connection |
Y |
| Ethernet LAN (RJ-45) ports quantity |
1 |
IP 284, Professional IP telephone for VoIP using SIP
tiptel IP 284
The professional phone tiptel IP 284 has a backlit full-graphics display. With 13 SIP accounts for the trunk line display (BLA), 13 programmable keys and corresponding busy lamp field (BLF) - expandable with optional modules, a phone book with 100 entries, full duplex speakerphone and high-definition audio (G.722), this model is correct solution for business use.