________ is the determination of the willingness of the called party to engage in communications.
A) User location
B) User availability
C) User capabilities
D) Session management
Correct Answer:
Verified
Q6: With _ ,the calling user supplies the
Q7: Real-time applications are more concerned with timing
Q8: Proxies are not useful for enforcing policy.
Q9: SIP is based on an HTTP-like request/response
Q10: The requirements of real-time traffic differ from
Q12: The Payload Type field identifies the media
Q13: An application-level firewall may prevent the forwarding
Q14: The _ connects different physical networks in
Q15: A VoIP system is usually cheaper to
Q16: _ is a desirable property for real-time
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