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
7
(2c) Audio Device Control Keys
Use the audio device control keys to perform the following actions depending on your phone
type:
ip810c ip820c - ip830c - ip840c
Volume
Volume
Adjusts the volume
see page 32
Speaker
Speaker
Toggles handsfree mode see page
68
Redial
Redials a number see page
58
Headset
Toggles headset mode see page
68
Mute
Mutes / unmutes the microphone see page
69
(2d) Free Function Keys
Free Function Keys are freely programmable keys which can be used for various functionalities
(see page
38). The adjacent LED will light when the assigned functionality is turned on.
ip810c ip820c - ip830c - ip840c
Label LED7
P7
P1 P1
LED1 Label
LED1 L1
Label
LED8
P8
P2 P2
LED2 Label
LED2 L2
Label
LED9
P9
P3 P3
LED3 Label
LED3 Redial
Label
LED10
P10
P4 P4
LED4 Label
LED4 Directory
Label
LED11
P11
P5 P5
LED5 Label
LED5 Transfer
Label
LED12
P12
P6 P6
LED6 Label
LED6 Mute










