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悬赏5金钱未解决
比如这样的, O+ E3 T7 p' o3 T+ s
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( _) i" V8 u! D1 x, X u2 u4 EOPTIONS sip:nm SIP/2.0
' h- h$ U+ b2 q' x1 MVia: SIP/2.0/TCP nm;branch=foo
. U/ b- Y. ~8 ^; u4 x$ t G& ZFrom: <sip:nm@nm>;tag=root
, T5 f+ R5 ^1 X; h- q4 B1 TTo: <sip:nm2@nm2>" q' l1 m% d5 V' R" N- n: d% H
Call-ID: 50000* T$ A- p& z8 J) `6 ]" c
CSeq: 42 OPTIONS
; c# t5 ?' i8 n* |- j3 A' p% h/ f0 fMax-Forwards: 702 _5 l- b7 e! u; @
Content-Length: 06 I; x1 P* F9 K" `/ k7 R! d4 S
Contact: <sip:nm@nm>9 K3 _ L! y8 u
Accept: application/sdp
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