1 CALL
2 procedure-name
2 variable
3? 
3 ( argument-list )
3 SQL-descriptors
3 USING DESCRIPTOR descriptor-name

argument-list

1 (
2? 
2+ ,
2.0 expression
2.0 NULL
3 )

SQL-descriptors

1? INTO
1.1! SQL
1.2 DESCRIPTOR
1.3! LOCAL
1.3?
1.3 GLOBAL
1.4 SQL-descriptor-name
2? USING
2.1! SQL (1) 
2.2 DESCRIPTOR
2.3! LOCAL
2.3?
2.3 GLOBAL
2.4 SQL-descriptor-name