【図表】
【資料】
◆Deploying Secure Unified Communications/Voice and Video over IP Systems (NSA, 2021/06/21)
https://media.defense.gov/2021/Jun/17/2002744054/-1/-1/1/CTR_DEPLOYING%20SECURE%20VVOIP%20SYSTEMS.PDF
【図表】
【資料】
◆Deploying Secure Unified Communications/Voice and Video over IP Systems (NSA, 2021/06/21)
https://media.defense.gov/2021/Jun/17/2002744054/-1/-1/1/CTR_DEPLOYING%20SECURE%20VVOIP%20SYSTEMS.PDF
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