It'd be really, really cool -- and yet, even though the technology for this has been available for five years, incredibly, the number of standard cell phones offered by US carriers with free VOIP is zero!
那将会非常非常的潮的，但是 即使技术现在已经比较成熟了 这过去的五年里，很让人难以置信 美国电信公司提供的载有 免费IP电话的手机数是 - 零！