SS7 - ISUP Calling party's category parameter

           8  7  6  5  4  3  2  1
        1  calling party's category

0 0 0 0 0 0 0 0  - calling party's category unknown at this time (national use)
0 0 0 0 0 0 0 1  - operator, language French
0 0 0 0 0 0 1 0  - operator, language English
0 0 0 0 0 0 1 1  - operator, language German
0 0 0 0 0 1 0 0  - operator, language Russian
0 0 0 0 0 1 0 1  - operator, language Spanish
0 0 0 0 0 1 1 0
      to
0 0 0 0 1 0 0 0  - (available to Administrations for
                    selection a particular language
                    by mutual agreement)
0 0 0 0 1 0 0 1  - reserved (see Recommendation Q.104) (Note) (national use)
0 0 0 0 1 0 1 0  - ordinary calling subscriber
0 0 0 0 1 0 1 1  - calling subscriber with priority
0 0 0 0 1 1 0 0  - data call (voice band data)
0 0 0 0 1 1 0 1  - test call
0 0 0 0 1 1 1 0  - spare
0 0 0 0 1 1 1 1  - payphone

0 0 0 1 0 0 0 0
      to
1 1 0 1 1 1 1 1  - spare

1 1 1 0 0 0 0 0
      to
1 1 1 1 1 1 1 0  - reserved for national use
1 1 1 1 1 1 1 1  - spare

	NOTE - In national networks, code 00001001 may be used to indicate that
the calling party is a national operator.