7.1. ISDN Network Firmware

For testing ISDN applications, the diagnostic utilities include ISDN Network Firmware to emulate the ISDN network interface. This emulator can be used to set up an ISDN PRI link between two Intel® Dialogic® network products in different host PCs so that an application can be tested without a live network connection. An ISDN PRI cable is used to connect the two network products in the two host PCs. The application runs on one host PC using the ISDN protocol specific firmware, while the other host PC runs the network emulation firmware and the ISDN Diagnostic Utilities.

To use this utility:

1. Connect a crossover ISDN PRI cable between the two network boards in the two host PCs.
2. Load your application in one of the host PCs.
3. Setup the other host PC to emulate the network side of the ISDN trunk by:
   • changing the name of the protocol file and parameter file in the standard Intel® Dialogic® configuration file for the network board used to emulate the ISDN network. For Windows applications, use the Intel® Dialogic Configuration Manager (DCM) utility to make these protocol changes.
   • setting the configurable ISDN network parameters to match those used in your application; see Table 55, Modifiable Protocol Parameters.
   • resetting this host PC to load the emulation firmware and the ISDN network emulation parameters.
4. Run your application.

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