2.16 vSTP AINPQ/INPQ Feature

Throughout the world, wireline and wireless operators are receiving directives from their national regulators to support service provider number portability in their networks.

The INAP-based Number Portability (INP) and ANSI-41 Number Portability Query (AINPQ) features provide subscribers the ability to switch their telephone service to a new service provider while retaining their original telephone number. The vSTP INP/AINPQ features provide the following functionality:

• Enable subscribers to switch their telephone service to a new service provider while retaining their original telephone number.
• Detection and prevention of circular routes.
• Minimizez challenges for network operators while they plan to implement number portability for their subscribers.
• Number normalization allows the user to specify how certain NAI (Nature of Address Indicator) values are to be treated. This value treatment is performed by setting up rules that map incoming NAI values to internal SNAI (Service Nature of Address Indicator) values for the purpose of number conditioning.