ITU-T SERIES Q SUPP 5-1999 号码可携带性 业务提供者可推带性(释放和后退查询)的能力集2要求-Q系列:交换和信令 研究组11
Number Portability - Capability Set 2 Requirements for Service Provider Portability (Query on Release and Dropback) - Series Q: Switching and Signalling Study Group 11; 48 pp
This Supplement describes the additions required to support Service Provider Portability in a Signalling System No. 7 network for Number Portability Capability Set 2 (NPCS-2). The definition for Service Provider Portability is given in this Supplement.