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TSL - Transaction SubLayer

TCAP (Transaction Capabilities Application Part) comprises two protocol sublayers called the TSL (Transaction Sublayer) and the CSL (Component Sublayer). The transaction sublayer is the lower TCAP sublayer and defines two types of dialogues namely unstructured and structured.


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

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