Inside Macintosh: Telephony /

Chapter 6 - Telephone Tools / Telephone Tools Reference

Data Structures

Terminal Message Parameter Block

Your telephone tool passes a pointer to a terminal message parameter block when sending messages about a telephone terminal. The terminal message parameter block is defined by the TELTermMsgPB data type.

struct TELTermMsgPB {
   short                   toolID;
   short                   tRef;
   long                    msg;
   short                   mtype;
   short                   value;
};
typedef struct TELTermMsgPB TELTermMsgPB;

Field Description

toolID

The tool ID of your telephone tool.

tRef

The reference number of a telephone terminal. Your telephone tool assigns this number when the terminal is opened. You should not change this number as long as the terminal is open.

msg

The message your tool is sending to the Telephone Manager.

mtype

A message type. The value in this field varies according to the message specified in the msg field. See the description of each particular message for information about this field.

value

A message value. The value in this field varies according to the message specified in the msg field. See the description of each particular message for information about this field.