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: 332200269@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: yealink-xml
Max-Forwards: 70
Supported: replaces,timer
Contact: <sip:303@192.168.168.200>
Content-Type: application/xml
Content-Length: 1349 (xml的所有字节)

<?xml version="1.0" encoding="ISO-8859-1"?>
<YealinkIPPhoneTextScreen 
		Beep="yes" 
		defaultIndex="2"
		cancelAction="http://10.1.0.105/cancel.php" 
		doneAction="http://10.1.0.105/menu.php" 
		Timeout="10" 
		LockIn="no">

<Title wrap="yes">TextScreen dfsdfsd;k ;  k *&^%$@#*( l kl k l k l kl k l k l k l k  lk l lllkkkkk</Title>

<Text>Today I am very glad, as you pleased? zhong...sdfafasfasa Every asfasfas adsfasfafasd sdfasfjlijo asdfjaslfj  Testing is being done is not familiar with the equipment, zhong...sdfafasfasa Every asfasfas adsfasfafasd sdfasfjlijo asdfjaslfj zhong...sdfafasfasa Every asfasfas adsfasfafasd sdfasfjlijo asdfjaslfj skyscraper starts.</Text>

<SoftKey index="1">
<Label>Select</Label>
<URI>SoftKey:Select</URI>
</SoftKey>

<SoftKey index="2">
<Label>Custom</Label>
<URI>http://10.1.0.105/menu1.xml</URI>
</SoftKey>

<SoftKey index="4">
<Label>Remove</Label>
<URI>http://D:eclipseworkspaceyealinkmenumymenu.php?menu_source=menu2&amp;menu_user=201&amp;menu_action=remove&amp;menu_page=1</URI>
</SoftKey>

<SoftKey index="5">
<Label>exit</Label>
<URI>SoftKey:Exit</URI>
</SoftKey>

<SoftKey index="6">
<Label>More</Label>
<URI>http://D:eclipseworkspacyealinkmenumymenu.php?menu_source=menu2&amp;menu_user=201&amp;menu_set=2&amp;menu_page=1</URI>
</SoftKey>
</YealinkIPPhoneTextScreen>



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content-length为XML所有字符长度，可用PushXMLGetLength.exe工具计算

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