📄 003_19.htm

📁 通讯类的标准。对要开发SS7的朋友有很大帮助的。（通讯协议）
💻 HTM
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<!-- saved from url=(0059)http://www.chinagk.org/technology/IPTech/003/css/003_19.htm -->
<HTML><HEAD><TITLE>003_19</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<STYLE type=text/css>.pg {
	LEFT: 0px; WIDTH: 635px; POSITION: absolute; TOP: 0px; HEIGHT: 983px
}
BODY {
	FONT-SIZE: 11px; COLOR: #000000; FONT-FAMILY: ""; BACKGROUND-COLOR: #ffffff
}
A {
	TEXT-DECORATION: none
}
.ps0 {
	LEFT: 53px; WIDTH: 278px; POSITION: absolute; TOP: 31px
}
.ps1 {
	LEFT: 545px; WIDTH: 43px; POSITION: absolute; TOP: 63px
}
.ps2 {
	LEFT: 38px; WIDTH: 556px; POSITION: absolute; TOP: 102px
}
.ps3 {
	LEFT: 38px; WIDTH: 112px; POSITION: absolute; TOP: 123px
}
.ps4 {
	LEFT: 218px; WIDTH: 203px; POSITION: absolute; TOP: 607px
}
.ps5 {
	LEFT: 65px; WIDTH: 535px; POSITION: absolute; TOP: 634px
}
.ps6 {
	LEFT: 65px; WIDTH: 75px; POSITION: absolute; TOP: 657px
}
.ps7 {
	LEFT: 65px; WIDTH: 536px; POSITION: absolute; TOP: 676px
}
.ps8 {
	LEFT: 38px; WIDTH: 556px; POSITION: absolute; TOP: 696px
}
.ps9 {
	LEFT: 38px; WIDTH: 557px; POSITION: absolute; TOP: 719px
}
.ps10 {
	LEFT: 38px; WIDTH: 109px; POSITION: absolute; TOP: 738px
}
.ps11 {
	LEFT: 65px; WIDTH: 530px; POSITION: absolute; TOP: 758px
}
.ps12 {
	LEFT: 38px; WIDTH: 556px; POSITION: absolute; TOP: 781px
}
.ps13 {
	LEFT: 38px; WIDTH: 517px; POSITION: absolute; TOP: 800px
}
.ps14 {
	LEFT: 65px; WIDTH: 142px; POSITION: absolute; TOP: 822px
}
.ps15 {
	LEFT: 65px; WIDTH: 527px; POSITION: absolute; TOP: 841px
}
.ps16 {
	LEFT: 38px; WIDTH: 556px; POSITION: absolute; TOP: 863px
}
.ps17 {
	LEFT: 38px; WIDTH: 545px; POSITION: absolute; TOP: 882px
}
.ps18 {
	LEFT: 38px; WIDTH: 307px; POSITION: absolute; TOP: 905px
}
.ps19 {
	LEFT: 65px; WIDTH: 43px; POSITION: absolute; TOP: 144px
}
.ps20 {
	LEFT: 88px; WIDTH: 84px; POSITION: absolute; TOP: 376px
}
.ps21 {
	LEFT: 104px; WIDTH: 53px; POSITION: absolute; TOP: 392px
}
.ps22 {
	LEFT: 66px; WIDTH: 53px; POSITION: absolute; TOP: 163px
}
.ps23 {
	LEFT: 66px; WIDTH: 53px; POSITION: absolute; TOP: 178px
}
.ps24 {
	LEFT: 66px; WIDTH: 53px; POSITION: absolute; TOP: 193px
}
.ps25 {
	LEFT: 66px; WIDTH: 81px; POSITION: absolute; TOP: 209px
}
.ps26 {
	LEFT: 66px; WIDTH: 87px; POSITION: absolute; TOP: 224px
}
.ps27 {
	LEFT: 65px; WIDTH: 53px; POSITION: absolute; TOP: 239px
}
.ps28 {
	LEFT: 65px; WIDTH: 43px; POSITION: absolute; TOP: 254px
}
.ps29 {
	LEFT: 65px; WIDTH: 53px; POSITION: absolute; TOP: 269px
}
.ps30 {
	LEFT: 65px; WIDTH: 75px; POSITION: absolute; TOP: 285px
}
.ps31 {
	LEFT: 306px; WIDTH: 78px; POSITION: absolute; TOP: 211px
}
.ps32 {
	LEFT: 306px; WIDTH: 73px; POSITION: absolute; TOP: 254px
}
.ps33 {
	LEFT: 316px; WIDTH: 57px; POSITION: absolute; TOP: 275px
}
.ps34 {
	LEFT: 324px; WIDTH: 32px; POSITION: absolute; TOP: 296px
}
.ps35 {
	LEFT: 318px; WIDTH: 52px; POSITION: absolute; TOP: 318px
}
.ps36 {
	LEFT: 326px; WIDTH: 51px; POSITION: absolute; TOP: 339px
}
.ps37 {
	LEFT: 315px; WIDTH: 53px; POSITION: absolute; TOP: 361px
}
.ps38 {
	LEFT: 303px; WIDTH: 75px; POSITION: absolute; TOP: 404px
}
.ps39 {
	LEFT: 300px; WIDTH: 83px; POSITION: absolute; TOP: 437px
}
.ps40 {
	LEFT: 303px; WIDTH: 75px; POSITION: absolute; TOP: 469px
}
.ps41 {
	LEFT: 300px; WIDTH: 83px; POSITION: absolute; TOP: 500px
}
.ps42 {
	LEFT: 311px; WIDTH: 75px; POSITION: absolute; TOP: 533px
}
.ps43 {
	LEFT: 326px; WIDTH: 53px; POSITION: absolute; TOP: 565px
}
.ps44 {
	LEFT: 483px; WIDTH: 64px; POSITION: absolute; TOP: 341px
}
.ps45 {
	LEFT: 483px; WIDTH: 37px; POSITION: absolute; TOP: 381px
}
.ps46 {
	LEFT: 318px; WIDTH: 53px; POSITION: absolute; TOP: 232px
}
.ft0 {
	FONT-WEIGHT: bold; FONT-SIZE: 37px; COLOR: #000000; FONT-STYLE: italic; FONT-FAMILY: "Times New Roman",Times,serif
}
.ft1 {
	FONT-SIZE: 21px; FONT-STYLE: italic; FONT-FAMILY: ""
}
.ft2 {
	FONT-SIZE: 13px
}
.ft3 {
	FONT-SIZE: 12px
}
.ft4 {
	FONT-SIZE: 12px; FONT-FAMILY: "Times New Roman",Times,serif
}
.ft6 {
	FONT-FAMILY: "Times New Roman",Times,serif
}
.em0 {
	FONT-WEIGHT: normal; FONT-SIZE: 11px; FONT-STYLE: italic
}
.em1 {
	FONT-SIZE: 11px; FONT-FAMILY: "Times New Roman",Times,serif
}
.em2 {
	FONT-SIZE: 13px; FONT-FAMILY: ""
}
.em3 {
	FONT-SIZE: 12px; FONT-FAMILY: "Times New Roman",Times,serif
}
.em4 {
	FONT-FAMILY: "Times New Roman",Times,serif
}
.em5 {
	FONT-WEIGHT: normal; FONT-SIZE: 13px; FONT-STYLE: italic; FONT-FAMILY: ""
}
.em6 {
	FONT-SIZE: 13px; FONT-STYLE: italic; FONT-FAMILY: ""
}
.em7 {
	FONT-FAMILY: ""
}
.im0 {
	LEFT: 36px; WIDTH: 562px; POSITION: absolute; TOP: 23px
}
.im1 {
	LEFT: 65px; WIDTH: 503px; POSITION: absolute; TOP: 144px
}
</STYLE>

<META content="MSHTML 6.00.2600.0" name=GENERATOR></HEAD>
<BODY>
<DIV class=pg></DIV><!-- bitmap and vector images are written here -->
<DIV class=im0><IMG height=64 src="003_19.files/left.jpg" width=564 
border=0></DIV>
<DIV class=im1><IMG height=455 src="003_19.files/003_19_2.jpg" width=503 
border=0></DIV><!-- text starts here --><SPAN class=ps0><NOBR><SPAN 
class=ft0>118&nbsp;&nbsp;<SPAN class=em0>IP </SPAN><SPAN 
class=em5>电话技术：稳定的</SPAN><SPAN class=em0>VoIP</SPAN><SPAN 
class=em5>服务集成</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps1><NOBR><SPAN 
class=ft1>文档</SPAN></NOBR></SPAN> <SPAN class=ps2><NOBR><SPAN 
class=ft2>根据目标点码进行路由，而不执行<SPAN class=em3>GT</SPAN>翻译。<SPAN 
class=em3>GT</SPAN>翻译在<SPAN class=em3>PC</SPAN>终止交换机中返回，而<SPAN 
class=em3>SSN</SPAN>会为呼</SPAN></NOBR></SPAN> <SPAN class=ps3><NOBR><SPAN 
class=ft2>叫建立表示<SPAN class=em3>ISUP</SPAN>。</SPAN></NOBR></SPAN> <SPAN 
class=ps4><NOBR><SPAN class=ft3>图<SPAN class=em1>3-15 
&nbsp;&nbsp;SCCP</SPAN>单元数据消息（<SPAN class=em1>ANSI</SPAN>）</SPAN></NOBR></SPAN> 
<SPAN class=ps5><NOBR><SPAN class=ft2>子系统数据以透明的方式传送给<SPAN 
class=em3>SCCP</SPAN>。它来自于使用<SPAN class=em3>SCCP</SPAN>的<SPAN class=em3>SSN<SPAN 
class=em2>，</SPAN></SPAN>也终止于使用<SPAN class=em3>SCCP</SPAN>的<SPAN 
class=em3>SSN</SPAN>。</SPAN></NOBR></SPAN> <SPAN class=ps6><NOBR><SPAN 
class=ft4>3. SCCP<SPAN class=em6>接口</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps7><NOBR><SPAN class=ft2>在协议堆栈中，<SPAN class=em3>SCCP</SPAN>和它下面的<SPAN 
class=em3>MTP</SPAN>以及它上面的<SPAN class=em3>TCAP</SPAN>及<SPAN 
class=em3>ISUP</SPAN>相连。在无连接服务中，</SPAN></NOBR></SPAN> <SPAN 
class=ps8><NOBR><SPAN class=ft2>用户和<SPAN class=em3>SCCP</SPAN>之间的消息通过<SPAN 
class=em3>N</SPAN>单元数据请求（<SPAN class=em3>N-unitdata request</SPAN>）、<SPAN 
class=em3>N</SPAN>单元数据指示（<SPAN class=em3>N-</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps9><NOBR><SPAN class=ft4>unitdata indication<SPAN class=em2>）</SPAN><SPAN 
class=em2>和</SPAN>N<SPAN class=em2>通知指示（<SPAN class=em3>N-notice 
indication</SPAN>）基元进行交换。这些基元定义了两层</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps10><NOBR><SPAN class=ft2>之间的软件接口。</SPAN></NOBR></SPAN> <SPAN 
class=ps11><NOBR><SPAN class=ft2>不论<SPAN 
class=em3>SCCP</SPAN>向它上面的子系统提供何种服务，&nbsp;<SPAN class=em3>SCCP</SPAN>都通过<SPAN 
class=em3>MTP<SPAN class=em2>—</SPAN></SPAN>传输请求（<SPAN 
class=em3>Transfer</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps12><NOBR><SPAN 
class=ft4>Request<SPAN class=em2>）</SPAN><SPAN class=em2>和</SPAN>MTP<SPAN 
class=em2>—</SPAN><SPAN class=em2>传输指示（<SPAN class=em3>Transfer 
Indication</SPAN>）基元和</SPAN>MTP<SPAN class=em2>交换消息。</SPAN>MTP<SPAN 
class=em2>暂停、恢复</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps13><NOBR><SPAN 
class=ft2>和状态指示消息由<SPAN class=em3>SCCP</SPAN>内的<SPAN 
class=em3>SCCP</SPAN>管理（<SPAN class=em3>SCCP Management</SPAN>，<SPAN 
class=em3>SCMG</SPAN>）功能模块处理。</SPAN></NOBR></SPAN> <SPAN class=ps14><NOBR><SPAN 
class=ft4>4. IP<SPAN class=em6>电话中的</SPAN>SCCP<SPAN 
class=em6>服务</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps15><NOBR><SPAN 
class=ft2>在很长一段时间内，服务供应商的包电话都要依赖于<SPAN 
class=em3>PSTN</SPAN>的服务和可达性。而且，管理</SPAN></NOBR></SPAN> <SPAN 
class=ps16><NOBR><SPAN class=ft4>PSTN<SPAN 
class=em2>的联邦法律适用于所有类型的电话服务，而不管语音数据的传输机制是什么。例如，基</SPAN></SPAN></NOBR></SPAN> 
<SPAN class=ps17><NOBR><SPAN class=ft2>本拨号设计的使用、<SPAN class=em3>800</SPAN>和<SPAN 
class=em3>900</SPAN>号码、信用卡呼叫等将都继续存在和繁荣，而不管呼叫是由</SPAN></NOBR></SPAN> <SPAN 
class=ps18><NOBR><SPAN class=ft4>PSTN<SPAN 
class=em2>还是其他类型的包网络发起、终止、传输的。</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps19><NOBR>消息类型</NOBR></SPAN> <SPAN class=ps20><NOBR>在不能传输<SPAN 
class=em4>msg </SPAN>时</NOBR></SPAN> <SPAN class=ps21><NOBR>报告的选项</NOBR></SPAN> 
<SPAN class=ps22><NOBR><SPAN class=ft6>1. <SPAN 
class=em7>连接请求</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps23><NOBR><SPAN 
class=ft6>2. <SPAN class=em7>连接确认</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps24><NOBR><SPAN class=ft6>3. <SPAN 
class=em7>连接拒绝</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps25><NOBR><SPAN 
class=ft6>4. 2<SPAN class=em7>类数据</SPAN>(<SPAN 
class=em7>形式</SPAN>1)</SPAN></NOBR></SPAN> <SPAN class=ps26><NOBR><SPAN 
class=ft6>5. 3<SPAN class=em7>类数据</SPAN>(<SPAN class=em7>形式２<SPAN 
class=em4>)</SPAN></SPAN></SPAN></NOBR></SPAN> <SPAN class=ps27><NOBR><SPAN 
class=ft6>6. <SPAN class=em7>释放完成</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps28><NOBR><SPAN class=ft6>7. <SPAN 
class=em7>已释放</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps29><NOBR><SPAN 
class=ft6>8. <SPAN class=em7>单元数据</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps30><NOBR><SPAN class=ft6>9. <SPAN 
class=em7>单元数据服务</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps31><NOBR>目的地点码<SPAN 
class=em4>(msb)</SPAN></NOBR></SPAN> <SPAN class=ps32><NOBR>目的地点码<SPAN 
class=em4>(lsb)</SPAN></NOBR></SPAN> <SPAN class=ps33><NOBR>源点码<SPAN 
class=em4>(msb)</SPAN></NOBR></SPAN> <SPAN class=ps34><NOBR>源点码</NOBR></SPAN> 
<SPAN class=ps35><NOBR>源点码<SPAN class=em4>(lsb)</SPAN></NOBR></SPAN> <SPAN 
class=ps36><NOBR><SPAN class=ft6>SLS(24 lsb)</SPAN></NOBR></SPAN> <SPAN 
class=ps37><NOBR>消息类型码</NOBR></SPAN> <SPAN 
class=ps38><NOBR>被叫方地址长度</NOBR></SPAN> <SPAN class=ps39><NOBR>被叫方地址<SPAN 
class=em4>(CDA)</SPAN></NOBR></SPAN> <SPAN 
class=ps40><NOBR>呼叫方地址长度</NOBR></SPAN> <SPAN class=ps41><NOBR>呼叫方地址<SPAN 
class=em4>(CGA)</SPAN></NOBR></SPAN> <SPAN 
class=ps42><NOBR>子系统数据长度</NOBR></SPAN> <SPAN 
class=ps43><NOBR>子系统数据</NOBR></SPAN> <SPAN class=ps44><NOBR>信令链路选择</NOBR></SPAN> 
<SPAN class=ps45><NOBR><SPAN class=ft6>0<SPAN 
class=em7>类协议</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps46><NOBR>目的地点码</NOBR></SPAN> </BODY></HTML>
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -