Operation Manual
Table Of Contents
- Important information
- General information
- Getting to know the Octophon
- Basic functions
- Answering a call
- Switching from handset to speakerphone mode
- Switching from speakerphone mode to the handset
- Switching from headset to speakerphone mode
- Open listening
- Activating/deactivating the microphone
- Ending a call
- Group call for a team
- Listening to voicemail
- Making calls
- Redial
- Consulting a second party
- Call forwarding
- Calling back missed calls
- Programmable sensor keys
- Enhanced phone functions
- Phonebooks and call lists
- Privacy/security
- Individual phone configuration
- Web interface (WBM)
- Fixing problems
- Local user menu
- Index

Getting to know the Octophon
14
Key modules
Octophon F640 key module
The Octophon F640 key module is a key module attached to the side of the
phone that provides an additional 12 illuminated, programmable keys.
Like keys on the phone, these keys can be programmed and used
according to your needs Æ page 18.
You can attach up to two Octophon F640 key modules to your Octophon
F640.
To operate an Octophon F640 key module, you always require a
power supply unit Æ page 2.










