Enable "International Access" services to be able to call other countries and satellite link phones, from within the home TMCELL network.
The service is a necessary precursor for using "Roaming" service. If you planning to travel to other countries and use the link there TMCELL, you should connect "International Access".
To enable dial USSD-command: *0809*1*2#
To disable dial USSD-command: *0809*1*1#