Figure 1. Layer 2 Frame (D Channel)
Figure 2. Layer 3 Frame (D Channel)
Figure 3. Asynchronous Call Establishment Process
Figure 4. Synchronous Call Establishment Process
Figure 5. Asynchronous Call Disconnect or Failure Process
Figure 6. Synchronous Call Disconnect or Failure Process
Figure 7. TBCT Invocation with Notification (Both Calls Answered)
Figure 8. TBCT Invocation with Notification (Call 1 Answered/Call 2 Alerting)
Figure 9. User-Accepted Network-Initiated NCAS Request
Figure 10. User-Rejected Network-Initiated NCAS Request
Figure 11. User-Disconnected NCAS Call
Figure 12. Information Element Format