NIST SP 800-171 Rev 2 · 3.13 System & Communications Protection

3.13.14 Control VoIP

Control and monitor the use of Voice over Internet Protocol (VoIP) technologies.

SPRS weight

1

1 point deducted from 110 when not implemented.

CMMC level

L2

Level 2 only; not among the 17 Level 1 practices.

Assessment objectives

2

From NIST SP 800-171A, each one a “determine if” an assessor answers.

What an assessor checks

NIST SP 800-171A breaks 3.13.14 into 2 objectives. Every one has to be met for the requirement to be met; a partial answer scores as not implemented.

1. [a]Determine if use of Voice over Internet Protocol (VoIP) technologies is controlled.
2. [b]Determine if use of Voice over Internet Protocol (VoIP) technologies is monitored.

Examine

[SELECT FROM: System and communications protection policy; procedures addressing VoIP; VoIP usage restrictions; VoIP implementation guidance; security plan; system design documentation; system configuration settings and associated documentation; system monitoring records; system audit logs and records; other relevant documents or records].

Interview

[SELECT FROM: System or network administrators; personnel with information security responsibilities; personnel with responsibilities for managing VoIP].

Test

[SELECT FROM: Organizational process for authorizing, monitoring, and controlling VoIP; mechanisms supporting or implementing authorizing, monitoring, and controlling VoIP].

If it is open: POA&M eligibility

A POA&M is only permitted at a score of 88 or above, and closes in one 180-day window. Check a full gap list or compute your score.

Where 3.13.14 maps

Query it from your own tools

This page and the MacTech CMMC MCP server render the same dataset. Ask your assistant and it will answer from the methodology, not from memory.

lookup_control 3.13.14
get_assessment_objectives 3.13.14
generate_poam_entries ["3.13.14"]

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