| 摘要 |
Implementation of the sending of short messages to mobile networks with mobile number portability in the same country comprising a computer with SS7 connections able to interrogate all the HLRs of the country where MNP is implemented, being located in an other country or the same. The computer includes a memory cache for all the subscribers of the country which allow to know which HLR to interrogate without searching one they have been found. The memory cache is initially empty and builds once by search of the HLRs when a subscriber does not exist yet in the cache, or when he is ported-out, that is, change its network.
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