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Model answers |
| 1. What channel do the call management messages use? |
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| 2. What channel does the end-to-end connection use? |
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| 3. What is the initial call request message called? |
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| 4. What is the call termination message called? |
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| 5. What information also accompanies this message? |
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| 6. Why is this information significant? |
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| 7. How would you gain access to this information? |
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