Operation Manual
Table Of Contents
- Copyright
- Warranty
- Declaration of conformity
- Safety instructions
- Disposal of the product
- Hardware Components
- User Interfaces
- User and Administrator Mode
- Documentation
- Phone Installation
- Phone Initialization
- Registration
- Idle Screen
- Phone User Interface
- Web User Interface
- General Configuration Tasks
- Display Configuration Tasks
- Audio Configuration Tasks
- SIP Identity Configuration Tasks
- Function Key Configuration Tasks
- Maintenance Tasks
- Outgoing Calls
- Extension (SIP identity) for Outgoing Calls
- Making Calls
- Auto Completion (Number Guessing)
- Call Completion
- Call Termination
- Redial
- Call Indication
- Accepting Incoming Calls
- Call Waiting
- Denying Incoming Calls
- Denying Incoming Calls Automatically
- DND (Do Not Disturb) Mode
- Call Forwarding
- Audio Operation Modes
- Mute / Unmute
- Multiple Speaker Mode
- Hold and Resume
- Call Transfer
- Conference
- Call Recording
- Logoff All Users (Extensions/SIP Identities)
- Logon New User (Extension/SIP Identity)
- Access
- Access
- Availability
- Access
- Changing the Presence State
- Contact Presence
- Acoustical Indication
- Visual Indication
- Retrieve New Messages
- Busy Lamp Field (BLF) feature
- “Calls” List
- Call Pickup

User Manual - English
68
Active Calls
Audio Operation Modes
The audio operation modes handset, handsfree, and headset can be alternated during active
calls.
Action: Switch between handset, handsfree, and headset mode during an active call.
ip810c ip820c ip830c ip840c
extA
'extA
1:10
… … … …
(no symbol when in
handset mode)
—— Connected ——
extA
1:10
…
… …
Connected time
e
extA
f
extB
… SpkOn … …
Press
Speaker
Press
Speaker
or
S2
SpkOn
S2
Result: Handsfree mode has been activated and the display shows:
extA
'extA
1:10
… … … …
—— Connected ——
extA
1:10
…
… …
Connected time
e
extA
f
extB
… SpkOf
f
… …
You can either opt to stay in handsfree mode by replacing the handset or return to handset mode by pressing
Speaker
or switch to headset mode:
Press
Press
Headset
Press
Headset
Result: Headset Mode has been activated. The display shows:
extA
'extA
1:10
… … … …
—— Connected ——
extA
1:10
Connected time
e
extA
f
extB