List of Figures

Figure 1. Typical H.323 Network

Figure 2. H.323 Protocol Stack

Figure 3. Basic H.323 Network with a Gateway

Figure 4. Basic SIP Call Scenario

Figure 5. Global Call over IP Architecture Using a Host-Based Stack

Figure 6. Global Call Devices

Figure 7. Configurations for Binding IPT Boards to NIC IP Addresses

Figure 8. Basic Call Setup When Using H.323 or SIP

Figure 9. Basic Call Teardown When Using H.323 or SIP

Figure 10. Sending Protocol Messages

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