6With the 3Com Manager’s Telephone and 3Com 3102 or 3102B BusinessTelephone 84Returning to the Headset After a Long Delay 85Using Hands Free Active on Intercom 856 G ETTING M ORE FROM YOUR TELEPHONE S YSTEMListening to Your Messages in Your E-mail 88Account (Billing) Codes 88Caller ID 89Internal and External Caller ID 89Calling Line Identity Restriction (CLIR) 90Call Pickup 91Directed Call Pickup on a Specific Telephone 92Group Call Pickup 92Automatic Call Distribution Groups, Hunt Groups, and Calling Groups 92Automatic Call Distribution 93Hunt Groups 96Calling Groups 98Group Membership 99Supervisory Monitoring 99Agent Role for 3Com Entry and Analog Telephones 99Supervisory Monitoring Terminology 100Monitor 101Whisper 101Barge-In 102Change Agent 102Call Privacy 102More About Supervisory Monitoring 104WhisperPage 104Starting a WhisperPage Session 105More About WhisperPage 106Call Park 106Paging 107Paging the System 108Paging Zones 108Configurable Operators 109How Configurable Operators Work 109