User guide

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Contents
Set-to-Set Messaging 106
Corporate Directory 108
Virtual Office 110
M3901 Feature Operation 112
M3901 Fixed Keys ............................................................................. 112
Program a feature or an Auto Dial ...................................................... 114
Use Auto Dial .................................................................................... 115
Use Speed Call .................................................................................. 115
Use Call Transfer ............................................................................... 116
Set up a Conference call ..................................................................... 117
Activate Ring Again ........................................................................... 118
Make a call ....................................................................................... 119
Receive a call .................................................................................... 119
Feature Activation Indicator ................................................................ 119
Message Waiting and Call Status Indicator .......................................... 119
Accessories for the M3900 Series telephones 120
Accessory Connection Module (ACM) ................................................. 120
Analog Terminal Adapter (ATA) ......................................................... 120
Computer Telephony Integration Adapter (CTIA) .................................. 120
Display-based Expansion Module ....................................................... 120
External Alerter and Recorder Interface ............................................... 120
Headsets ........................................................................................... 121
Key-based Expansion Module ............................................................. 121
Personal Directory PC Utility ............................................................... 121
Meridian 1 Flexible Feature Codes (FFCs) 122
Meridian SL-100 Feature Access Codes (FACs) 123
Index 124