????:1??????????:??????

2???????

3???????????

4?????????????

5????????

????

???30??,11????????26??,????,30??,???“???????????”??????????“??”,??,?????????????????

????,??(SIP)???????????????????????????30??????????????,“?,??”

???????:??????

????????????:??

???:???????????????

??????????????????:???????

??:????

??:??

?????:???