A method of establishing transmissions to a mobile station in a wireless
radio communications system where an indication of the radio service
requirement is provided to the mobile terminal. A switch receives a signal
originating a call. The switch notifies a network accordingly with a
paging message. The paging message is supplied to the mobile station. The
indication of the radio service requirement is provides as part of, or
with, the paging message. Subsequently, only those cells that fulfil the
radio service requirement need be measured to determine which one is to be
used for the transmission.
