Chapter 1: Introduction
Services, features and interfaces 7
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TT-5621B 2-Wire Handset and TT-5622B 2-Wire Cradle
The 2-Wire Handset is used to receive and to make calls.
See 2-Wire Handset use on page 103 for a description
of the 2-Wire Handset and how to use it.
Sigma
7
handset and cradle
The Sigma
7
handset is used to receive and to
make calls.
See the separate user manual for a description
of how to use the Sigma
7
handset.
ICG DECT Cordless handset
The ICG DECT Cordless handset system is used to
receive and to make calls.
See the separate user manual for a description of
how to use the ICG DECT Cordless handset.