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Back to Call Routing and Services

Local Number Portability (LNP) refers to the ability of a "customer of record" of an existing fixed-line or mobile telephone number assigned by a local exchange carrier (LEC) to reassign the number to another carrier (Service Provider Portability), change the type of service (Service Portability), or move it to another location (Geographic Portability).

The

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includes a NPA/Nxx object to provision the valid national destination code, associated country code and LATA, the lookup type for local number portability (LNP), and a flag indicating whether the national destination code has been ported for LNP. See Refer to NPA/Nxx - CLI for CLI provision   or Call Routing: System Provisioning - Npa Nxx (EMA) for EMA provisioning details.

Jurisdiction Information Parameter

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JIP information can be carried in the P-Asserted-ID/FROM and P-DCS-Billing-Info headers of SIP INVITE message and in the PDCS header in a 3xx response. The SBC

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records JIP-related details in the Call Detail Record.

See Refer to Profile Management - Service Profiles (EMA) or Services - CLI for details of configuring JIP on the

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