Lucent Technologies 4.1 User Manual

This chapter explains how system and standard phones work with the system,

as well as combination extensions where more than one phone or standard
device is installed. In addition, basic call handling features and dial-code
features are listed at the end of the chapter. See the feature name in Chapter 5
for details on a specific feature.

System phones, which include the PARTNER-34D, PARTNER-18D,
PARTNER-18, PARTNER-6, MDC 9000, and MDW 9000 models, have several
buttons and indicators in common. The following pages explain where they are
and how they work.

Learning About Telephones