Whats the best technology to use to implement IT system acrocess the country and comunicate out of country?

Question

Our company has offices spread in several region .The field offices would like to communicate effectively with the main office in city (Addis ababa,Ethiopia) and out of the city like South Africa .how would I go about considering various technologies and give me main technologies that is best to implement.

Answer 1

go to some nearby comms company

i hear something about microwave is usefull