The European Selective Paging Manufacturer’s Association (ESPA) defined ESPA 4.4.4 as a "Proposal for Serial Data Interface For Paging Equipment". It's a message-based intercommunication protocol for ...
Update 2025.11.27: Major refactoring into modular architecture (Module A/B/C/D) with unified interface and comprehensive benchmark suite. Update 2025.06.25: Added ...
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