Appeal No. 2002-2000
Application No. 08/933,911
region. Alternatively, the user of the mobile station may wait
until actually in the destination mobile region to affect this
transfer. This is most aptly discussed at lines 25-56.
This is shown in Figure 1 by the transfer of a mobile station
MS from mobile radio system MFA to mobile radio system MFB. By
doing so, the user has identified the mobile station in the new
radio region as a roaming mobile radio station. The overall system
then operates “without interrogating another serving system” as
required by claims 9-12 in these words or corresponding words.
Stated differently, there is no need for mobile station MS in the
new region MFB to have the switching circuitry in that region
contact the home register HLRA because the identifying information
of the mobile station ms has been made resident in the home
register HLRB. Once that transfer from home register has been
effected, the use of the visitor location register VLR in the new
system MFB functions normally and in accordance with the
requirements of these claims.
The fact that the user performs these various control
information transfers of information is discussed in detail at
various points of the discussion beginning at column 8 though
column 10. Note also the particular discussion of control commands
in the paragraph bridging columns 9 and 10. The manner in which
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Last modified: November 3, 2007