Who knows what TWN means?
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request: VER 0 MSNP8 CVRO
response: VER 0 MSNP8
request: CVR 1 0x0804 winnt 5.0 i386 MSNMSGR 6.1.0155 MSMSGS xxxxx@xxx.com
response: CVR 1 6.0.0602 6.0.0602 5.0.0527 http://download.microsoft.com/download/d/4/f/d4f560d5-6dc6-4901-b149-a568415561d7/SETUPNT.EXE http://messenger.msn.com/cn
request: USR 2 TWN I xxxxx@xxx.com
response: XFR 2 NS 207.46.106.106:1863 0 207.46.104.20:1863