Thuraya Sat sleeves that turn regular Iphones into sat phones work everywhere except NA because of user agreements, maybe it is the same with SPOT in Africa.
Welcome from another Albertan, enjoy the hunt
Welcome to AH. That can be done in RSA or Namibia but my 1st thought is definitely Namibia.
Welcome to AH. Im sure you will have a great time and as far as your boy goes, if you can get him shooting a .243 he will certainly have opportunity on quite a few different animals.