SIPЭ????????
???????????????? ???????[ 2010/8/24 14:53:34 ] ????????
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????From??????????????????????????????????????????????From??????????URI?????????????????
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????Max-Fowords??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????483??????????????????????
????Via?????ζ???SIP??????2??????????Э?飬?????????????????????λ?á???е??????????????????Э?鱻???????????????????м???Via???????
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????1?? ????INVITE?????????????????
????2?? ????ACK?????????????????????INVITE???????
????3?? ?????OPTIONS?????????????????????????
????4?? ?????BYE???????????????????????????
????5?? ?????CANCEL??
????6?? ???REGISTER???????????????????÷?????????????????λ??
???????INVITE???????
????INVITE sip:marconi@radio.org SIP/2.0
????<?? ????????????????Request??URI????SIP?汾?????????SIP/2.0??
????<???????????????з????????MSN?к???eMail???????
????Via: SIP/2.0/UDP lab.high-voltage.org:5060;branch=z9hG4bKfw19b
????<??SIP?汾???2.0?????????????UDP??????е????
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