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MTP3 - Message Transfer Part Level 3

Message Transfer Part Level 3 is the highest level of MTP (Message Transfer Part) it is split into two distinct parts SMH (Signalling Message Handling) and SNM (Signalling Network Management). Whilst the SNM part is looking after the general management of MTP the SHM part deals with the discrimination distribution and routing of signalling messages.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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