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Chapter 5
Interacting with the Phone
5.1 Call Appearances
The ZIP2x2 and ZIP2x1 phones have two call appearances. Each call appearance allows you to
have a separate or joined call.
This type of phone is different from phones that have been in common use for the past 100 years.
On those older phones a physical pair (or two pairs) of wires carry a single voice call. A phone that
can accommodate two voice calls connects to two such circuits, with each circuit being referred to
as a line. A switch on the phone selects between the lines (and therefore with whom you are
talking). A phone that has two lines has two such sets of circuits and can allow two simultaneous
calls.
The ZIP2x2 and ZIP2x1 phones have a single circuit to connect to the switch. All calls take place
over this same circuit, or line. Dedicated software and hardware inside the phone and the switch
permit you to have two simultaneous conversations. These are referred to as two calls, not two
lines.
5.2 Using the Keypad and the Buttons
The keypad contains all of the keys and buttons on the phone. The term buttons refers to the
switches that are identified by the writing on a label below or beside them. The term keys refers
to the switches that have writing on them. Figure 5-1 displays the buttons and keypad on the
ZIP2x2 and ZIP2x1 phones.
5.2.1 Description of Keypad
5.2.1.1 Numeral Keys
The keypad has keys labelled 0 to 9, *, and #. These are used to dial a number and perform other
functions.
5.2.1.2 Function Key (Fn)
The keypad has a key marked Fn that serves as a function, or shift, key to select alternative uses
for the keys and buttons. To select the alternative use, press and release the Fn button once, then
press the appropriate button or key to select the alternative function.
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