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悬赏5金钱未解决
比如这样的" @: G3 @3 ?8 j$ e: p" O3 D
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OPTIONS sip:nm SIP/2.0- J4 A; B! Q L: N
Via: SIP/2.0/TCP nm;branch=foo
2 o8 s- q, d* r8 n( KFrom: <sip:nm@nm>;tag=root' F# Q5 z5 Z8 C' g
To: <sip:nm2@nm2>+ j0 q$ B* x3 @; d! l/ R
Call-ID: 50000, {/ I) M% y V
CSeq: 42 OPTIONS
, }3 V4 F8 [; q7 W# C3 Q0 FMax-Forwards: 70* e7 l. \6 v7 o1 |* k
Content-Length: 0) P2 a# S$ B7 L% t. H
Contact: <sip:nm@nm>
" _) H: @) F( k! w# q, qAccept: application/sdp; W& _- h' l- u0 }8 b/ z
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