1     Objectives concerning Tables 1 to 4/E.422
 2    
Manual or semi-automatic observations (Table 1/E.422)
 3    
Comments concerning the use of Table 1/E.422
 4    
How to fill in Table 1/E.422
 5    
Automatic observations for CCITT Signalling Systems other than
Signalling System No. 7 (Table 2/E.422)
 6    
Comments concerning the use of Table 2/E.422
 7    
How to fill in Table 2/E.422
 8    
Automatic observation for Signalling System No. 7 – TUP (Table 3/E.422)
 9    
Comments concerning the use of Table 3/E.422
10     How to fill in Table 3/E.422
11     Automatic observations for CCITT
Signalling System No. 7 – ISUP (Table 4/E.422)
12     Comments concerning the use of
Table 4/E.422
13     How to fill in Table 4/E.422