History

Priority

must

Oct 2019

Removed

Security control 0552 was merged with security control 0551.

Sep 2019

IP telephony is configured such that: § IP phones authenticate themselves to the call controller upon registration § auto-registration is disabled and only a whitelist of authorised devices is allowed to access the network § unauthorised devices are blocked by default § all unused and prohibited functionality is disabled.

2015

IP telephony must be configured such that:• IP phones authenticate themselves to the call controller upon registration• auto-registration is disabled and only a whitelist of authorised devices are allowed to accessthe network• unauthorised devices are blocked by default• all unused and prohibited functionality is disabled.

2010

Agencies must:••••configure VoIP phones to authenticate themselves to the call controller upon registrationdisable phone auto-registration and only allow a whitelist of authorised devices to access the networkblock unauthorised devices by defaultdisable all unused and prohibited functionality.