Perform the following steps to run lapddemo:
Step |
Action |
1 |
Set up the board keyword file to describe the board and software configuration. For more information, see the NMS ISDN Installation Manual and the NMS OAM System User's Manual. |
2 |
Run oamsys to initialize your hardware and make your configuration file changes effective. |
3 |
If necessary, modify the demonstration configuration file lapddemo.cfg. For more information, see lapddemo configuration file. |
4 |
Start the demonstration by entering: lapddemo [options] where options are one or more of the command line options described in the lapddemo overview. lapddemo sends a SABME message on the trunk to establish the data link. |
5 |
Press S. The program sends a SETUP message with a called number value, a calling number value, a B channel number, and an encoding flag. These values are specified in lapddemo.cfg. The default values are: Called number value: 12345 Calling number value: 678 B channel number: 12 Encoding flag: A law |
If the data link is established, the program exchanges Q.931 messages with the remote party, as described in the configuration file. By default, the following exchanges are made:
If... |
lapddemo... |
---|---|
SETUP is received |
Sends an ALERTING message, and then a CONNECT message. |
CONNECT ACK is received |
Starts timer T. |
Timer T expires |
Sends a DISCONNECT message. |
DISCONNECT is received |
Sends a RELEASE message. |
RELEASE is received |
Sends a RELEASE COMP message. |