Call management
| Redialing |
Y |
| Caller ID |
Y |
| Conference call |
Y |
| On-hook dialing |
Y |
| Call hold |
Y |
Other features
| Cabling technology |
cat.5 |
| Mac compatibility |
N |
| Power over Ethernet (PoE) |
Y |
| Internet connection required |
Y |
| Supported network protocols |
IEEE802.1Q, QoS, UDP, TCP, STUN, DHCP, FTP |
| Wall mountable |
Y |
Memory
| Phonebook capacity |
100 entries |
| Redial list capacity |
10 |
Phone features
| Microphone mute |
Y |
| Speakerphone |
Y |
Display
| Display number of lines |
2 |
Additionally
| Wireless connections |
N |
| Call forwarding capability |
Y |
| Ethernet LAN (RJ-45) ports quantity |
1 |
Siemens optiPoint 150 S. Colour of product: Black. Dialer location: Base. Volume control: Digital. Phonebook capacity: 100 entries. Display: LCD