This document is about OpenScape Voice OpenStage 40 SIP, OpenStage 40 G SIP OpenStage Key Module 40 User Guide user manual
This guide covers everything needed to install, configure, and use the Siemens OpenStage 40 SIP telephone and the OpenStage Key Module 40. It includes safety information, hardware overview, network setup, and detailed instructions for making and receiving calls.
Key sections describe the user interface, programmable sensor keys, phonebook and LDAP integration, security features such as password protection and Do‑Not‑Disturb, as well as troubleshooting and maintenance procedures.
| Operating temperature | 5 °C to 40 °C |
|---|---|
| Power supply part number | L30250-F600-C14x (EU/US/UK) |
| Power over Ethernet (PoE) compliance | IEEE 802.3af |
| Speakerphone optimum distance | 50 cm |
| Display contrast adjustment | Adjustable |
Use the original power supply unit, part number L30250-F600-C14x (EU, US, or UK version), or power the phone via PoE that complies with IEEE 802.3af.
The telephone should be used in an environment with an ambient temperature between 5 °C and 40 °C.