Inside Macintosh: Telephony /

Chapter 4 - Call Appearances

This chapter describes call appearances, connections between two or more directory numbers. A call appearance is essentially just a telephone call.

To use this chapter, you should already be familiar with the information presented in the chapter "Introduction to Telephony on the Macintosh" earlier in this book. You should also be familiar with the information in the chapter "Directory Numbers." A call appearances is always associated with at least one directory number.

This chapter describes the data structures and functions you can use to manage call appearances. See the chapter "Telephone Manager Messages" for a description of the call appearance messages that the Telephone Manager can send to your application. See the chapter "Telephone Tools" for a description of the call appearance messages a tool can send to the Telephone Manager.

---

Chapter Contents

About Call Appearances

Using Call Appearances

Placing an Outgoing Call

Call Appearance Reference

Constants

Call Appearance States

Call Types

Call Origination Types

Dial Types

Call Appearance Feature Flags

Other Call Appearance Feature Flags

Data Structures

Call Appearance Structure

Call Appearance Functions

Placing an Outgoing Call

Accepting and Answering an Incoming Call

Rejecting and Deflecting an Incoming Call

Dropping a Call

Holding and Retrieving a Call

Transferring a Call

Conferencing a Call

Calling Back an Unavailable Party

Parking and Picking Up Calls

Using Voice Mail, Paging, and Intercom Features

Detecting Voice and Silence

Disposing of a Call Appearance

Getting Information About Call Appearances

Result Codes

Call Appearance Summary

C Summary

Constants

Data Types

Call Appearance Functions

Pascal Summary

Constants

Data Types

Call Appearance Functions