#include <nua_dialog.h>
Collaboration diagram for nua_dialog_usage:

Data Fields | |
| nua_client_request_t * | du_cr |
| Client request bound with usage. | |
| unsigned | du_ready:1 |
| Established usage. | |
| unsigned | du_shutdown:1 |
| Shutdown in progress. | |
| sip_time_t | du_refresh |
| When usage expires. When to refresh. | |
| sip_event_t const * | du_event |
| Event of usage. | |
| sip_time_t du_refresh |
When usage expires. When to refresh.
Non-zero if the usage is established, SIP_TIME_MAX if there no expiration time.