A list of Public Land Mobile Networks (PLMNs) maintained on the SIM that the mobile phone cannot automatically contact, usually because service was declined by a foreign provider.
Sources:
NIST SP 800-101 Rev. 1
a list of Public Land Mobile Networks (PLMNs) maintained on the SIM that the phone cannot automatically contact, usually because service was declined by a foreign provider.
Sources:
NISTIR 7250
NISTIR 7387