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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 |
|---|---|
| Editor | ITU |
| Document type | Standard |
| Format | File |
| ICS | 33.040.30 : Switching and signalling systems
|
| 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 |