36
S:\Hp8960\E1960A GSM Mobile Test Application\A.04 Release\Proguide\Chapters\prog_prog_guide_step4.fm
Step 4: Establish an Active Link with Mobile Station
Overview
Establishing an active link with the mobile station when the test set is in active cell operating mode can be
accomplished in one of two ways:
• Base station originated call
• Mobile station originated call
Process for Making a Base Station Originated Call
The recommended process for making a base station originated call is shown in
“Step 4: Figure 1. Process for Making a Base Station Originated Call” on page 37.
The CALL:ORIGinate command is used to initiate a base station originated call.
If the call origination process fails it is necessary to send the CALL:END command to the test set to force
immediate termination of all processes associated with the current call origination. This ensures that if
another CALL:ORIGinate command is sent to the test set before all processes associated with the failed call
origination have been terminated, it will not be ignored. Note that if the test set is currently executing a call
origination and it receives another call origination command it will be ignored (that is, you are telling the test
set to do something it is already doing and hence it will accept the command but it will be ignored).