Type 1 Services Protocol

Type 1 Services Protocol

邏輯鏈結控制

高層通訊協定

SSAP

DSAPs

UI

• Unnumbered Information (UI)
  • Unicast (single DSAP)
  • Multicast (Multiple DSAPs)
  • Broadcast (All DSAPs)
• Exchange Identification (XID)
• Test

Unicast

Multicast

Broadcast

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