NEC Corporation reserves the right to change the specifications, functions, or features at any time without
notice.
NEC Corporation has prepared this document for use by its employees and customers. The information
contained herein is the property of NEC Corporation and shall not be reproduced without prior written approval
of NEC Corporation.
SL1000 is a trademark of NEC Corporation.
Copyright 2011
NEC Corporation
Printed in Japan
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Single-Line Telephone
User Guide
NEC Corporation