The value of tmnxMobPdnApnSelectNwProvided specifies if the
network provided provided Access Point Name (APN) selection mode is
allowed or not. Selection mode verification will be used to ensure a
Mobile Station's (MS) subscription to use this APN. This setting must
mach the corresponding setting on the SGSN/MME. If the two settings
are not identical, the PGW/GGSN rejects the session with a cause code
user authentication failed.