?? ????????????????????????“??”
????:1?????????:???????
2??????50?
3???????
4???????????
5????????
?????????????
??30??,11??26??????????????????,??????????????,30?,??“??”????????????????“????”,???,???
??,????????(SIP)????30??,“????,????”
?:?????????????
????:????????????
??:??
???????:???????????????????????????????
??:???????????????
???:??
?????:???