SMT-i6020/6021 User Guide _
27
Dialing
This section describes how to make a call to an extension number or outbound
number.
An extension line is the telephone line through which a call can be placed to
another internal phone connected to the system of the office.
An outbound line is the telephone line where the user can make or receive a call
to/from outside (e.g. home), which is directly connected to the switching system of
a central office.
Dialing an Extension Number
1
Pick up the handset, check whether the dial
tone is audible, and then press the extension
number.
2
When you press the extension number, you can hear a call connection
tone.
3
If the other party receives the call, begin the
conversation.