hi serctl add 8800 8800 8800(a)192.168.2.2 using above command to add user ,but get following error ERROR:400;check if you use aliases in SER,in fact ,i don't use alisses in ser.cfg file. please help me. thanks ___________________________________________________________ 雅虎邮箱超强增值服务－2G超大空间、pop3收信、无限量邮件提醒 http://cn.mail.yahoo.com/mail_alert/promo1.html