How to Simulate QSIG-GFT over E1 from the User Side

Simulation of an QSIG terminal is one of the features covered by the templates included in the Clarinet Run-Time.

A Clarinet Run-time User-program has been specifically developed to simulate the QSIF Transit Network protocol.

Connecting the unit and setting the test conditions:

The connections of Clarinet-Book USB units and the settings of test conditions for basic monitoring are detailed in the following pages:

Profiles resulting from the wizard are ready for generating one outgoing call and accepting incoming calls during ISDN Simulation.

Creating the profile for PRI-User simulation

A new profile can be created with the Wizard from the Template list by selecting:

  • Profile->New->QSIG......See: building a test
  • Profile with a description including QSIG, Simu, User, PH=E1, SL=Q931
  • Filter with a description including  SL= QSIG, DL=BOP

Example using the wizard:

  • ProfileèNewèQSIGèqsig_gft_usr_e1.acpèFilter?èqsig_bop.acf

 Profile resulting from the wizard is ready for simulating in the D channel with QSIG decoding:

  • Modifications to apply to the profile regarding physical interface:
    • E1 Options: CRC4 multi-frame if CRC4 is used on the interface.

Saving the profile:

  • ProfileèSave asèfilename.acp.

In the current directory, selecting and saving the profile through the wizard simultaneously launches:

  • The user-program qsig_gft.exe invoked by the qsig_gft_usr_e1.acp
  • A default  shortcut QSIG-GFT configuration to the qsig_gft.exe user-program
  • One text file gft_readme.txt

The shortcut QSIG-GFT configuration includes the default directory Cladata in both paths:

  • Target  = C:\Clarinet\Cladata\qsig_gft.exe -config
  • Start In = C:\Clarinet\Cladata

The path must be changed if the Clarinet manager is working in a different directory. 

If the Clarinet Package is installed in another directory other than the default one (as an example D:\Clarinet\) , the following line has to be added to the configuration  file  (qsig_gft.aci by default) under a [Paths] section:

[Paths] 
BerDll=D:\Clarinet\Clatools\Berencod.dll

The user program can be launched in two ways:

  • From the shortcut "QSIG-GFT configuration", it enables configuration of PDU parameters that will be used in user-program mode.
  • From the profile, it works as a user-program that allows the user to:
    • Send call independent requests (connection-oriented service)
    • Send requests (connectionless transport service)
    • Reply to incoming PDUs

Configuring the user program 

The panel "QSIG-GFT emulator configuration" user program enables configuration:

  • For Connection-orientated Services, the IE used in the PDUs: are set in compliance with "Call independent" mode
    • GF-SETUP Request fields:
      • Origination Address è Calling Party Number IE
      • Destination Address è Called Party Number IE
      • DataèFacility IE
    • GF-DATA request = FACILITY messages:
      • DataèFacility IE
    • GF-RELEASE request = RELEASE messages:
      • CauseèCause IE
      • DataèFacility IE
  • For Connectionless in the FACILITY messages 
    • GF-UnitData Request fields:
      • Origination Address è Calling Party Number IE
      • Destination Address è Called Party Number IE
      • DataèFacility IE
  • Reply to incoming PDU including a Facility IE:
    • Check the value in operationValue localValue 
    • Transmit the content of *.acb in the Facility IE

The results of the configuration are saved in a file with the basename of the user-program executable file + ext .aci (qsig_gft.aci by default). The name has to be changed for running several user-pram simultaneously.

Running the profile

To launch the profile:

  • Select Profile->Run or click horse_on.gif (968 octets) (it allows selection of the profile name). See Running a test
  • The Event-Editor window is automatically opened.
  • The User-Program opens a window for each Clarinet running the user-program allowing manual launch:  
    • Call independent Connection-orientated services
    • Connectionless transport service

To stop the profile:

  • Click horse_off.gif (975 octets)  See: Stopping a test
  • The Event-Editor window and User-Program window are automatically closed.
 

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