How has the phone evovled into a mobile phone?

On my phone , I went into settings and clicked on euro phone, however I am not sure if it is the same out of Europe, in Melbourne. After approximately 5 minutes you should receive a text message with...

you can get t-mobile phones that are pre paid and some that repuire a contract

It's impossible. If you want someone to hear your conversation then you can record your phone convo and then send it or u can just put it on 3-way call :)

well its very simple it can be done by using your service provider but one thing you has to remember while doing this your account balance will be reduced when every call is transferred

they are much smaller and much more compact