1.2 TIF Features

All of the features that are listed in Table 2-1 use TIF ("TIF features"). The TIF Features chapter describes each feature in detail.

• TIF Number Portability (TIF NP)

• TIF Number Substitution (TIF NS)

• TIF Simple Number Substitution (TIF SNS)

• TIF Additional Subscriber Data (TIF ASD)

• TIF Generic Routing Number (TIF GRN)

• TIF Subscr CgPN Blacklist
• TIF Range CgPN Blacklist