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This Supplement describes number portability in terms of high-level service definitions and terminology and presents a set of high-level network architectures and generic routing methods for NP. These architectures and routing methods are not to be considered exhaustive; they just illustrate some of the options. Other alternatives do exist and may be covered by future capability sets.
Author | ITU |
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Editor | ITU |
Document type | Standard |
Format | File |
ICS | 33.040.30 : Switching and signalling systems
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Number of pages | 49 |
Year | 1990 |
Document history | |
Country | International |
Keyword | CCITT Q;CCITT Q Supplement 3;ITU-T Q;ITU-T 3;3;ITU-T Series Q Supplement 3;ITU-T Q Supplement 3 |