Siemens Openstage 15 SIP
- 3 navigation keys
- 8 freely programmable keys (with paper labels)
- 3 fixed function keys for speakers, messages, and menus with red LED´s
- not tiltable LCD 2-line display
Siemens Openstage 20 SIP
- 3-way navigation keys
- 6 fixed function keys
- swivel LCD 2-line display
- 5 red LED´s
Siemens Openstage 40 SIP
- 5-way navigation keys
- 6 freely programmable sensor keys
- 7 fixed function keys
- swiveling LCD 6-line graphic display with backlight
- 12 red LED´s
Siemens Openstage 60 SIP
- Touch-Guide for navigation and feature control
- Touch slider for volume control
- 8 freely programmable sensor keys
- 6 fixed sensor keys for integrated applications
- 6 fixed function keys
- Keyboard with 12 keys
- swivel-mounted TFT colour display
- Blue call signaling (LED)
- 19 blue LED´s
Siemens Openstage 80 SIP
- Touch-Guide for navigation and feature control
- Touch slider for volume control
- 9 freely programmable sensor keys
- 6 fixed sensor keys for integrated applications
- 6 fixed function keys
- Keyboard with 12 keys
- swivel-mounted TFT colour display
- Blue call signaling (LED)
- 20 blue LED´s