Siemens 600Series - Manual (Page 12)

xi ROLMphone 300/600 Series User Guide
Appendix A Feature Access Codes lists the codes that can be
dialed to use system features.
Appendix B Help! presents some simple procedures you can use
to correct problems with your telephone.
Glossary The Glossary explains some of the technical
terminology and concepts used in this guide.
Index The Index is useful for tracking down specific
information.