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 shows 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

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Figure 6-2 Allowed Calling Party Address Screening Function