An ordered registration of a mobile station (MS) is initiated by a radio
access network that includes a base station (BS) in communication with a
downstream network entity. The downstream entity conveys a message to the
BS requesting that the MS be instructed to register. The BS then
transmits a message to the MS that instructs the MS to register. In
response to receiving the registration instruction, the MS transmits a
registration message to the BS. Upon receiving a registration message,
the BS conveys a message to the downstream entity requesting an update of
a location of the MS. The downstream network entity updates the MS's
location and conveys a message to the BS confirming an updating of the
location of the MS. In another embodiment of the present invention, the
MS can initiate a user-zone based registration by conveying a user-zone
based registration message to the BS.