add some device-state mechinism to FS to allow tracking of device-specific states where they may have more than one call from the same device

libs/esl/src/esl_event.c

@@ -143,6 +143,8 @@ static const char *EVENT_NAMES[] = {
 	"CONFERENCE_DATA",
 	"CALL_SETUP_REQ",
 	"CALL_SETUP_RESULT",
+	"CALL_DETAIL",
+	"DEVICE_STATE",
 	"ALL"
 };
 

libs/esl/src/include/esl_event.h

@@ -132,6 +132,8 @@ typedef enum {
 	ESL_EVENT_CONFERENCE_DATA,
 	ESL_EVENT_CALL_SETUP_REQ,
 	ESL_EVENT_CALL_SETUP_RESULT,
+	ESL_EVENT_CALL_DETAIL,
+	ESL_EVENT_DEVICE_STATE,
 	ESL_EVENT_ALL
 } esl_event_types_t;