1. A method, comprising:
by a mobility management entity (MME) of a first public land mobile network (PLMN):
receiving an E-UTRAN (Evolved Universal Terrestrial Access Network) non-access stratum (NAS) request from a wireless user
equipment (UE) device;
determining to reject the request;
sending a rejection response to the request, wherein the rejection response comprises an evolved packet service mobility management
(EMM) cause #15 specifying Â“no suitable cells in tracking areaÂ”, wherein the rejection response further comprises an extended
EMM cause information element (IE) with a value Â“E-UTRAN not allowedÂ”.