???

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

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

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

????:??

????:??

??:???????

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

??:??

????:??????????????????? ??“????????????”

?? ????????????“??????????????”

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

2??????????

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

4???????

5?????????

???

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

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

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

????:??

????:??

??:???????

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

??:??

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