Inside Macintosh: Telephony /

Chapter 2 - Telephone Terminals / Telephone Terminals Reference

Constants

Independent Handset States

The Connect parameter to the TELGetIndHSConnect and TELSetIndHSConnect functions (and the telTermIndHSStateChgMsg and telTermIndHSConnectMsg messages) can contain either of the following constants to indicate whether an independent handset is connected to a telephone line:

enum {
   telIndHSDisconnected    = 0,
   telIndHSConnected       = 1
};

Constant descriptions

telIndHSDisconnected

The independent handset is disconnected.

telIndHSConnected

The independent handset is connected.

The telTermIndHSStateChgMsg message can return either of the following constants to indicate whether an independent handset is on hook or off hook:

enum {
   telIndHSOnHook          = 0,
   telIndHSOffHook         = 1
};

Constant descriptions

telIndHSOnHook

The independent handset is on hook.

telIndHSOffHook

The independent handset is off hook.