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悬赏5金钱未解决
比如这样的
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" A/ ]+ Q: `9 B B ?OPTIONS sip:nm SIP/2.0
$ S: g$ l6 a! W( [, z0 S8 j3 D8 _! C0 o! @Via: SIP/2.0/TCP nm;branch=foo4 T0 c9 f6 @% Z( x
From: <sip:nm@nm>;tag=root1 A* I( q; a6 U
To: <sip:nm2@nm2>; x8 R3 s# W! I0 _7 q* `
Call-ID: 50000" k) n5 e9 h9 T1 ]4 d% M2 Q }4 t
CSeq: 42 OPTIONS+ c2 Z. e/ x0 D7 _5 H5 f) {1 b9 Z
Max-Forwards: 70& j/ G* n5 V( _/ X
Content-Length: 0. o) L4 z7 x" [
Contact: <sip:nm@nm>
! t% M: _6 k. AAccept: application/sdp
c/ M& D0 [7 c
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