How to connect to mobile phone to pc at a time and use internet through it?

is there any software so that i can connet pc to two mobile phone and use gprs through it.the purpose is to increase speed by adding speed of two phone gprs.|||Go here... http://mobileoffice.about.com/od/phonesf鈥?/a>|||you can use your corresponding mobile pc suites to connect internet but even if you connect two phones the speed will be slower than only one and i dont know why|||Which phone are you using ?|||I don't think its possible.... Even though you can add two mobiles, i don't think they will be united to enhance your speed|||i think u should search on google n i dont think that is possible to at same time u can use two gprs service by using two mobile but u can connet them n brow their data but net using not possible