The application means selects the plurality of packet data networks from a table that maps {TAIL ~ services} to {HEAD ~ packet data network identifiers} 
The application means selects the plurality of packet data networks from a table that maps { TAIL ~ services } to { HEAD ~ packet data network identifiers }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD