AT&T 555-620-126 Telephone User Manual


 
Quick Start
Making Calls
This section describes how to
If, after you dial the extension
make inside and outside calls.
number or the outside
telephone number, you receive a busy signal, you may be
able to use the Callback feature as described in Chapter
you hear a tone other than a busy signal, see “Identifying
Types"
in this chapter for an explanation of the tone.
To Make Inside Calls
5. If
Call
1. Lift the handset.
2. Listen for the dial tone.
3. Dial the extension number.
To Make Outside Calls
1. Lift the handset.
2. Listen for the dial tone.
3. Dial the appropriate dial-out code.
Depending on how your system is set up, the dial-out code could
be 9, 70, or another code of up to four digits. Some selected
telephones may not even need a dial-out code. For information
about dial-out codes, contact your system manager.
4. You hear a second dial tone.
5. Dial the telephone number.
Making Calls
2-5