Once you have your provider, you will then need to get a SIM card so that you can call and receive calls while traveling. The one thing about connections purchased through the internet in Pakistan is that you cannot get them locked, and therefore you cannot pick up your phone and call locally Eth Exchanger In Pakistan. If you purchase ethernet from your provider, they will unlock your connection once you have purchased a new SIM card. If you buy a new SIM card from somewhere else, they might try and sell it to you, which defeats the purpose of buying the connection.