NOTIFY sip:303@192.168.168.75:5063 SIP/2.0
From: "303"<sip:303@192.168.168.200>;tag=41e83658-c0a8a8c8-13c4-50022-1a1b1-17e4bacd-1a1b1
To: "303"<sip:303@192.168.168.200>;tag=593303487
Call-ID: 33220088@192.168.168.75
CSeq: 2 NOTIFY
Via: SIP/2.0/UDP 192.168.168.200:5060;rport;branch=z9hG4bK-1a22f-6618b71-5c4a8ac7
Subscription-State: active
Event: aastra-xml
Max-Forwards: 70
Supported: replaces,timer
Contact: <sip:303@192.168.168.200>
Content-Type: application/xml
Content-Length: 107 

<YealinkIPPhoneExecute>
<ExecuteItem URI="http://10.3.5.5:9/xmlBrowser/Testmenu.xml"/>
</YealinkIPPhoneExecute>


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content-lengthΪ 66 + URIµÄ×Ö·û³¤¶È 

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