---------- 转发邮件信息 ---------- 发件人："guolingxi <guolingxi(a)126.com>" 发送日期：2008-10-17 13:48:23 收件人：serusers(a)iptel.org 主题： handing of NAT use MediaProxy Hello: I am a chinese student in beijing University.Recently I intrested in SIP,and I found IPTEL is a good place.I enjoy it very much. I have read your "SER-getting started",it is a very wondful guiding.But i am a beginner,i am confused by some question when I want to use SER to hand of NAT Travesal. Could you give me some advice if I want to use SER to set a serve to do a experiment about NAT Travesal.What hardwares must I need?Now I have only some normal computers ,are they Sufficient？Looking forward your advice or Solution，I will very appreciate if you can provide me some concreted document. You can write to me on you convinience,Thank you for your reading!:) a confused student 2008.10.17