Allowed CGPA Screening Actions
Any MSU that does not contain a service indicator of 3 in the SIO field and does not contain the SCCP message types 9, 10, 17, or 18 and reaches this screen in the gateway screening process automatically passes gateway screening and is allowed into the EAGLE.
The value of the
nsfi parameter is based on the value of
the routing indicator (ri) parameter.
Table 6-1
through
Figure 6-3
show the valid combinations of
nsfi values and routing indicator
values.
Table 6-1 Valid Parameter Combinations for the Allowed CGPA Screening Function
| Routing Indicator (RI) Values | Nest Screening Function Identifier (NSFI) Values |
|---|---|
| GT | TT |
| DPC | CDPA |
| * (asterisk) | TT, CDPA |
Figure 6-1 shows the screening actions of the allowed CGPA screen.
Figure 6-1 Allowed CGPA Screening Actions - Sheet 1 of 3
Figure 6-2 Allowed CGPA Screening Actions - Sheet 2 of 3
Figure 6-3 Allowed CGPA Screening Actions - Sheet 3 of 3
Figure 6-4 Allowed Calling Party Address Screening Function
