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Appendix B: Control Message Examples

B.1 Tunnel Establishment Example​

LAC → LNS: SCCRQ

  • Message Type: 1 (SCCRQ)
  • Protocol Version: 1.0
  • Host Name: "lac.example.com"

LNS → LAC: SCCRP

  • Message Type: 2 (SCCRP)
  • Host Name: "lns.example.com"

LAC → LNS: SCCCN

  • Message Type: 3 (SCCCN)

B.2 Incoming Call Example​

LAC → LNS: ICRQ

  • Message Type: 10 (ICRQ)
  • Assigned Session ID: 150
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