CONTENTS
PREFACE......................................................................................... i
CONTENTS..................................................................................... ii
ii
Making a Call ............................................................................1-3
Voice Circuit..............................................................................1-7
Hook Button ..............................................................................1-8
Dial............................................................................................1-9
Bell (Speaker) .........................................................................1-10
Dial Telephones ......................................................................1-11
Dial Telephones ......................................................................1-13
The Exchange.........................................................................1-26
Control Procedure.....................................................................2-2
Facsimile Groups ......................................................................2-3