SC14CVMDECT MODULE

WE ARE TESTING THE SC14CVMDECT MODULE ON OUR PROTOTYPES AS BOTH FP AND PP.
PLEASE, WE NEED SOME MORE INFOS  ABOUT MODULE STATE-MACHINE IN ORDER TO DEFINE OUR SOFTWARE WORKING WELL , FROM THE REGISTRATION PHASE TO THE CALL.
WE HAVE A ST32F437 MICROPROCESSOR AS HOST AND FREE RTOS OPERATING SYSTEM
WE GAINED ACCESS TO DIALOG- AKAMAI DOWNLOADING SERVER SO THAT WE HAVE ALL NATALIE API LIST DOCUMENTS AND SOME EXAMPLES.
BUT WE DIDN'T FIND ANY DOCUMENT ABOUT HOW THE MODULE WORKS  BOTH AS FP AND PP (A SIMPLE FLOW CHART FOR EACH PHASE FROM REGISTRATION TO CALL)

WE HAVE SOME TROUBLESHOOTINGS FOR EXAMPLE FROM THE PP SIDE BECAUSE OF WHEN WE ASK THE MODULE TO ENTER THE REGISTRATION MODE WE HAVE NO ANSWER.

ARE THERE AVAILABLE ANY API TO CHECK RF ACTIVITY FROM FP AND PP SIDE? 

HOW WE CAN ASK FOR INFOS DURING THE REGISTRATION PROCESS TO UNDERSTAND WHAT THE MODULE IS DOING?
CAN YOU HELP US ?
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FABIO ORSINI