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Going On-Hook and Off-Hook
Some phone tasks and instructions differ depending on whether the phone is on-hook or off-hook.
•On-Hook—The phone handset is resting in the cradle, no calls are active, and you do not have an
active dial tone. Your phone provides on-hook dialing (pre-dial), which enables you to enter or
choose phone numbers before activating the call. When your phone is on-hook, this icon appears
next to each phone number:
•Off-Hook—The phone handset is lifted from the cradle, the speakerphone is active, or any of
several other methods are used to get a dial tone or to answer an incoming call. When your phone
is off-hook, one of these icons appears, depending on the call or line state:
, , or . See the “Understanding Call and Line Icons” section on page 13 for related
information.
Selecting CallsMany phone features require that you select the calls you want to use with a particular feature. For
example, if you have four held calls but only want to join two of them in a conference call, you can
select the calls that you want to add to the conference before activating the feature.
Authenticated call See the “Making and Receiving Secure Calls” section on page 34.
Encrypted call See the “Making and Receiving Secure Calls” section on page 34.
If you want to... Then...
Highlight a call Use the Navigation button to scroll through the call list. Highlighted calls
appear on a lighter and brighter background.
Select a call Highlight a connected or held call and press Select. Selected calls are
indicated with a next to them.
Verify selected calls Use the Navigation button to scroll through the list of calls. Selected calls are
indicated with a and are grouped together in the call list.