Denwa Communications DW-310P User Manual page 22

you have two options: Line Key Settings and Function Key Settings, choose
one you want to make the assignment, use the navigation key to choose the
type as memory key. In the Dial field, you have some options, such as Normal,
Speed Dial, Intercom, BLF, Presence, and MWI.
Speed dial
You can configure the key as a simplified speed dial key. This key function
allows you to easily access your most dialed numbers.
Intercom
You can configure the key for Intercom code and it is useful in an office
environment as a quick access to connect to the operator or the secretary.
BLF
BLF is also called "Busy lamp field", and it is used to prompt the user to pay
attention to the state of the object than has been subscribed, and used to
cooperate with the server to pick up the phone call. You can configure the
key for Busy Lamp Field (BLF) which allows you to monitor the status (idle,
ringing, or busy) of other SIP account. User can dial out on a BLF configured
key. Please refer to "LED Instruction" for more detail about the LED status in
different situation.
Note: In the Web interface, you can also set the pickup number to active the
pickup function. For example, if you set the BLF number as 212, and the
pickup number is 189, then when there is an incoming call to 212, press the
BLF key, it will call out the 189 automatically to pick up the incoming call on
212.
Presence
Presence is called present, and compared to the BLF, it can also check
whether object online.
Note: You can subscribe the BLF and presence station of the same number at
the same time.
MWI
When the key is configured as MWI, you are allowed to access voicemail
quickly by pressing this key.
2. Set the type as Line
You can set these keys as line keys, and press it, it will enter dialer interface.
3. Set the type as Key Event
You can set these keys as Key Event, and the subtype have many options.
Choose one and it will have corresponding function.
 None
 Auto Redial Off
 Auto Redial On
 Call Back
 Call Forward
 DND