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ITU-T Q Suppl. 4 (05/1998)

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Number portability – Capability set 1 requirements for service provider portability (All call query and Onward routing)
This Supplement describes the additions required to support Service Provider Portability in a Signalling System Number No. 7 network for Number Portability Capability Set 1 (NPCS-1).The Portability Number Call Control for Service Provider Portability (PNCC-SPP) in a Signalling System Number No. 7 network provides the core function to support portability for geographic numbers using the "onward routing" and "all call query" methods.
Citation: http://handle.itu.int/11.1002/1000/4580
Approval date: 1998-05-15
Approval process:Agreed
Status: In force
Maintenance responsibility: ITU-T Study Group 11
Further details: Patent statement(s)
Ed. ITU-T Recommendation Status Summary Table of Contents Download
1 Q Suppl. 4 (05/1998) In force
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