# Tasks for configuring the 3G-324M Interface

To configure the 3G-324M Interface, the host application must perform the following tasks:

Task | Action | Use | For more information, see...
1 | Configure the CG board. | Natural Access | Configuring the board.
2 | Initialize Natural Access and open the following services: MSPP SWI ISDN or SS7 | Natural Access | Natural Access Developer's Reference Manual.
3 | Initialize the H.324M Middleware. | 3G-324M Interface | Enabling fast call setup and Initializing the H.324M Middleware.
4 | Create Natural Access contexts and event queues. | Natural Access | Natural Access Developer's Reference Manual.
5 | Create the MUX endpoint. | 3G-324M Interface | Creating the MUX endpoint.
6 | Make switching connections from the trunk to the MUX endpoint, if needed. | Switching service | Switching Service Developer's Reference Manual.
7 | Set up PSTN call control (ISDN, SS7). | PSTN service | NMS ISDN for Natural Call Control Developer's Manual or the TDM for SS7 Developer's Reference Manual.
8 | Set up a 3G-324M session. | 3G-324M Interface | For more information, see Setting up a 3G-324M session.
9 | Create and connect MSPP endpoints and channels. | MSPP service with video-enhanced components | Creating an endpoint. Creating a channel. Connecting endpoints and channels.
10 | Set up tracing and monitoring functionality. | 3G-324M Interface | Setting up tracing and monitoring functionality.
11 | Stop a call or session. | 3G-324M Interface | Stopping a call or session.