Introduction
This guide is designed to assist extension users on a Siemens Hicom 150 Communications System to use all authorised features.
Your extension may not be authorised ∗ to use all features. The Siemens representative can confirm features that are available to you.
Your extension may also be subject to trunk barring thus restricting where you may dial.
The optiset E entry digital telephone has 3 preprogrammed keys:- Message
Redial
Transfer
All other System features are accessed from this telephone by dialling codes and/or programme keys.
The entry telephone is not equipped with a loudspeaker or microphone.
Please refer to the separate instruction manuals for the optiset E basic, standard, advance plus and memory telephones.
∗- authorised features are those features that your company has designated for your use and may vary from extension to extension.
4