DialogState

The state of a SIP dialog provides context for the sequence of messages and their meaning. Dialog states help manage and track the progression of a conversation within a SIP session. The states include:

_EARLY

From the initial INVITE until the dialog is firmly established.

public static final int _EARLY = 0;

This constant value indicates the internal value of the "Early" state.

EARLY

public static final DialogState EARLY = new DialogState(_EARLY);

This constant value indicates that the dialog state is "Early".

_CONFIRMED

Once both parties have agreed to the dialog, typically after a 2XX response to an INVITE.

public static final int _CONFIRMED = 1;

This constant value indicates the internal value of the "Confirmed" state.

CONFIRMED

public static final DialogState CONFIRMED = new DialogState(_CONFIRMED);

This constant value indicates that the dialog state is "Confirmed".

_TERMINATED

When the dialog has been intentionally terminated, usually by a BYE request.

public static final int _TERMINATED = 3;

This constant value indicates the internal value of the "Terminated" state.

TERMINATED

public static final DialogState TERMINATED = new DialogState(_TERMINATED);

This constant value indicates that the dialog state is "Terminated".