Each terminal logs in to the MASTER as one HBP peer with OPTIONS TERMINAL=1,
relaying the MASTER's salt as its challenge. Voice, embedded data, text
messages and locations go both ways; a call without a terminator ends 1 s
after its last frame, on its own timer. A terminal always talks as its
session's DMR ID (a 9-digit login as login // 100). Sessions are capped in
total, per IP and per minute; only a login that opens a MASTER link counts.
Tests run against a real HBPProtocol MASTER.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013jYm3g9skKGroRdrfwJsCG
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