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📁 通讯类的标准。对要开发SS7的朋友有很大帮助的。（通讯协议）
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<BODY>
<DIV class=pg></DIV><!-- bitmap and vector images are written here -->
<DIV class=im0><IMG height=64 src="002_24.files/left.jpg" width=564 
border=0></DIV>
<DIV class=im1><IMG height=360 src="002_24.files/002_24_2.jpg" width=558 
border=0></DIV>
<DIV class=im2><IMG height=416 src="002_24.files/002_24_3.jpg" width=558 
border=0></DIV><!-- text starts here --><SPAN class=ps0><NOBR><SPAN 
class=ft0>(<SPAN class=em2>续</SPAN>)</SPAN></NOBR></SPAN> <SPAN 
class=ps1><NOBR><SPAN class=ft1>有效载荷编码</SPAN></NOBR></SPAN> <SPAN 
class=ps2><NOBR><SPAN class=ft1>定</SPAN></NOBR></SPAN> <SPAN 
class=ps3><NOBR><SPAN class=ft1>义</SPAN></NOBR></SPAN> <SPAN 
class=ps4><NOBR><SPAN class=ft1>事件类型</SPAN></NOBR></SPAN> <SPAN 
class=ps5><NOBR>9</NOBR></SPAN> <SPAN class=ps6><NOBR><SPAN 
class=ft1>抢占音调</SPAN></NOBR></SPAN> <SPAN class=ps7><NOBR><SPAN 
class=ft1>用在伊朗</SPAN></NOBR></SPAN> <SPAN class=ps8><NOBR>10</NOBR></SPAN> <SPAN 
class=ps9><NOBR><SPAN class=ft1>排队音调</SPAN></NOBR></SPAN> <SPAN 
class=ps10><NOBR><SPAN class=ft1>用在芬兰</SPAN></NOBR></SPAN> <SPAN 
class=ps11><NOBR>11</NOBR></SPAN> <SPAN class=ps12><NOBR><SPAN 
class=ft1>拒绝音调</SPAN></NOBR></SPAN> <SPAN class=ps13><NOBR><SPAN 
class=ft1>用在科威特、沙特阿拉伯</SPAN></NOBR></SPAN> <SPAN 
class=ps14><NOBR>12</NOBR></SPAN> <SPAN class=ps15><NOBR><SPAN 
class=ft1>路由音调</SPAN></NOBR></SPAN> <SPAN class=ps16><NOBR><SPAN 
class=ft1>用在大多数国家，但是不包括美国</SPAN></NOBR></SPAN> <SPAN 
class=ps17><NOBR>13</NOBR></SPAN> <SPAN class=ps18><NOBR><SPAN 
class=ft1>有效音调</SPAN></NOBR></SPAN> <SPAN class=ps19><NOBR><SPAN 
class=ft1>用在希腊</SPAN></NOBR></SPAN> <SPAN class=ps20><NOBR>14</NOBR></SPAN> 
<SPAN class=ps21><NOBR><SPAN class=ft1>等待音调</SPAN></NOBR></SPAN> <SPAN 
class=ps22><NOBR><SPAN class=ft1>用在大多数国家，通知呼叫者：被叫终</SPAN></NOBR></SPAN> <SPAN 
class=ps23><NOBR><SPAN class=ft1>端在它占线时已经激活呼叫等待功能</SPAN></NOBR></SPAN> <SPAN 
class=ps24><NOBR>15</NOBR></SPAN> <SPAN class=ps25><NOBR><SPAN 
class=ft1>通话期结束警告音调</SPAN></NOBR></SPAN> <SPAN class=ps26><NOBR><SPAN 
class=ft1>用在<SPAN class=em3>Brunei</SPAN>、智利、马来西亚</SPAN></NOBR></SPAN> <SPAN 
class=ps27><NOBR>16</NOBR></SPAN> <SPAN class=ps28><NOBR>PIP<SPAN 
class=em0>警告音调</SPAN></NOBR></SPAN> <SPAN class=ps29><NOBR><SPAN 
class=ft1>用在<SPAN class=em3>Brunei</SPAN></SPAN></NOBR></SPAN> <SPAN 
class=ps30><NOBR><SPAN class=ft1>干线事件</SPAN></NOBR></SPAN> <SPAN 
class=ps31><NOBR>0~9</NOBR></SPAN> <SPAN class=ps32><NOBR>MF<SPAN 
class=em0>数字</SPAN>0<SPAN class=em0>到</SPAN>9</NOBR></SPAN> <SPAN 
class=ps33><NOBR>10</NOBR></SPAN> <SPAN class=ps34><NOBR>MF K0<SPAN 
class=em0>或</SPAN>KP<SPAN class=em0>（</SPAN><SPAN 
class=em0>开始数字脉冲）</SPAN></NOBR></SPAN> <SPAN class=ps35><NOBR>11</NOBR></SPAN> 
<SPAN class=ps36><NOBR>MF K1</NOBR></SPAN> <SPAN 
class=ps37><NOBR>12</NOBR></SPAN> <SPAN class=ps38><NOBR>MF K2</NOBR></SPAN> 
<SPAN class=ps39><NOBR>13</NOBR></SPAN> <SPAN class=ps40><NOBR>MF ST0<SPAN 
class=em0>或</SPAN>ST<SPAN class=em0>（</SPAN><SPAN 
class=em0>停止数字脉冲）</SPAN></NOBR></SPAN> <SPAN class=ps41><NOBR>14</NOBR></SPAN> 
<SPAN class=ps42><NOBR>MF S1</NOBR></SPAN> <SPAN 
class=ps43><NOBR>15</NOBR></SPAN> <SPAN class=ps44><NOBR>MF S2</NOBR></SPAN> 
<SPAN class=ps45><NOBR>16</NOBR></SPAN> <SPAN class=ps46><NOBR>MF 
S3</NOBR></SPAN> <SPAN class=ps47><NOBR>17</NOBR></SPAN> <SPAN 
class=ps48><NOBR><SPAN class=ft1>瞬间打开</SPAN></NOBR></SPAN> <SPAN 
class=ps49><NOBR>18</NOBR></SPAN> <SPAN class=ps50><NOBR><SPAN 
class=ft1>瞬间关闭</SPAN></NOBR></SPAN> <SPAN class=ps51><NOBR>19</NOBR></SPAN> 
<SPAN class=ps52><NOBR><SPAN class=ft1>进入的呼叫试图抢占</SPAN></NOBR></SPAN> <SPAN 
class=ps53><NOBR>20</NOBR></SPAN> <SPAN class=ps54><NOBR><SPAN 
class=ft1>返回抢占</SPAN></NOBR></SPAN> <SPAN class=ps55><NOBR>21</NOBR></SPAN> 
<SPAN class=ps56><NOBR><SPAN class=ft1>释放电路</SPAN></NOBR></SPAN> <SPAN 
class=ps57><NOBR>22</NOBR></SPAN> <SPAN class=ps58><NOBR><SPAN 
class=ft1>连续性测试</SPAN></NOBR></SPAN> <SPAN class=ps59><NOBR>23</NOBR></SPAN> 
<SPAN class=ps60><NOBR><SPAN class=ft1>缺省的连续性音调</SPAN></NOBR></SPAN> <SPAN 
class=ps61><NOBR>24</NOBR></SPAN> <SPAN class=ps62><NOBR><SPAN 
class=ft1>连续性音调（单个音调，回环模式）</SPAN></NOBR></SPAN> <SPAN 
class=ps63><NOBR>25</NOBR></SPAN> <SPAN class=ps64><NOBR><SPAN 
class=ft1>连续发送（转发器模式）</SPAN></NOBR></SPAN> <SPAN 
class=ps65><NOBR>26</NOBR></SPAN> <SPAN class=ps66><NOBR><SPAN 
class=ft1>连续返回（确认音调）</SPAN></NOBR></SPAN> <SPAN 
class=ps67><NOBR>27</NOBR></SPAN> <SPAN class=ps68><NOBR><SPAN 
class=ft1>回环</SPAN></NOBR></SPAN> <SPAN class=ps69><NOBR>28</NOBR></SPAN> <SPAN 
class=ps70><NOBR>1KHz<SPAN class=em0>的旧毫瓦音调</SPAN></NOBR></SPAN> <SPAN 
class=ps71><NOBR>29</NOBR></SPAN> <SPAN class=ps72><NOBR>1.004KHz<SPAN 
class=em0>的新毫瓦音调</SPAN></NOBR></SPAN> <SPAN class=ps73><NOBR><SPAN 
class=ft3>80&nbsp;&nbsp;<SPAN class=em1>IP </SPAN><SPAN 
class=em4>电话技术：稳定的</SPAN><SPAN class=em1>VoIP</SPAN><SPAN 
class=em4>服务集成</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps74><NOBR><SPAN 
class=ft4>文档</SPAN></NOBR></SPAN> <SPAN class=ps75><NOBR><SPAN 
class=ft1>注意：</SPAN></NOBR></SPAN> <SPAN class=ps76><NOBR><SPAN 
class=ft5>M&nbsp;F<SPAN class=em0>信令是在中央局之间实现的。</SPAN></SPAN></NOBR></SPAN> 
<SPAN class=ps77><NOBR><SPAN class=ft1>在瞬间握手之后，发送终端（例如一</SPAN></NOBR></SPAN> 
<SPAN class=ps78><NOBR><SPAN class=ft1>个<SPAN class=em3>PBX<SPAN 
class=em0>）</SPAN></SPAN>发送<SPAN class=em3>KP<SPAN 
class=em0>，</SPAN></SPAN>后跟从呼叫方收集</SPAN></NOBR></SPAN> <SPAN 
class=ps79><NOBR><SPAN class=ft1>的数字。数字脉冲由<SPAN 
class=em3>ST</SPAN>信号表示</SPAN></NOBR></SPAN> </BODY></HTML>

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