History

Priority

must not

Oct 2019

Removed

Security control 0557 was merged with security control 0556.

Sep 2019

Workstations are not connected to video conferencing units or IP phones unless the workstation or the device uses VLANs or similar mechanisms to maintain separation between video conferencing, IP telephony and other data traffic.

2015

Workstations must not be connected to video conferencing units or IP phones unless theworkstation or the device uses VLANs or similar mechanisms to maintain separation betweenvideo conferencing, IP telephony and other data traffic.

2010

Agencies must not connect workstations to VoIP phones unless the workstation or the phone, as appropriatefor the configuration, uses VLANs or similar mechanisms to maintain separation between IP telephony andother data traffic.