Demo Details
Figure 5. System Initialization
1. Parse .cfg file
Application
Configuration
2. Start router | 3. Start IP Module | 4. Start IP Board | |||||
|
|
|
|
|
|
|
|
| Event Router |
|
| IP Module |
|
| IP Board |
|
|
|
|
|
|
|
|
|
|
|
|
| 5. Start IP Device | ||
IP Device
6. Start IP State Machine
IP State Machine
7. Start Voice Module | 8. Start Voice Board | ||||
|
|
|
|
|
|
| Voice Module |
|
| Voice Board |
|
|
|
|
| ||
|
|
|
|
|
|
|
| 9. Start VoiceDevice | |||
|
|
|
|
| |
|
|
|
| Voice Device |
|
|
|
|
|
|
|
|
|
|
| 10. Start Voice State | |
|
|
|
|
| Machine |
Voice State
Machine
5.5Event Handling
This section describes how the IP Media Server (Global Call) demo handles events. It contains the following topics:
•Event Mechanism
•Handling Keyboard Input Events
•Handling SRL Events
•Handling Application Exit Events
5.5.1Event Mechanism
The IP Media Server (Global Call) demo uses the SRL mechanism to retrieve events. When an event occurs, SRL calls event handlers automatically. All events are received by the SRL and then passed to the CallbackHdlr( ) function for handling.
In the initialization phase of the demo, the main( ) function sets up the
IP Media Server (Global Call) Demo Guide — November 2003 | 39 |