GAPSR - Generic Access Packet Switched Resource

The term GA-PSR defines a protocol found within the GANC and MS of a network supporting Generic Access – formerly UMA. It is responsible for the delivery of GPRS signalling, SMS transfer, paging, flow control and GPRS transport channel management in addition to the transfer of GPRS user plane data.


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

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