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Table 3 Set of commands used by GSPA to control the GSCA execution

From: Pervasive multimedia guidance system for special needs passengers on public transport

Command

Description

send

Certain information that will be shown in the client screen. The operator must type the text to send and the client identification

repro

To reproduce in the user device the designated multimedia file. After pressing 'Enter' key, the operator must to type the name of the file

endr

Finalise the present reproduction

ends

Signalling to the user that the service has finalised

error

Signalling to the user that the service has undergone an error and will finalise

reinitiate

It resumes the itinerary. It must do that all the points already visited be marked as 'not reached'

exit

To notify the end of the execution of the GSPA