Explain how H.323 sets up and tears down VoIP calls. Are there alternatives to an overlay network? If so, please discuss them and provide examples. Describe the generic security challenges of VoIP.
technical writing
Description
Explain how H.323 sets up and tears down VoIP calls.
Are there alternatives to an overlay network? If so, please discuss them and provide examples.
Describe the generic security challenges of VoIP.
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