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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=3 src="001_52.files/46_52_1.jpg" width=557 
border=0></DIV>
<DIV class=im1><IMG height=2 src="001_52.files/46_52_2.jpg" width=557 
border=0></DIV>
<DIV class=im2><IMG height=2 src="001_52.files/46_52_3.jpg" width=558 
border=0></DIV>
<DIV class=im3><IMG height=64 src="001_52.files/left.jpg" width=564 
border=0></DIV><!-- text starts here --><SPAN class=ps0><NOBR><SPAN class=ft0>7. 
SIP<SPAN class=em1>报头定义</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps1><NOBR><SPAN 
class=ft0>SIP<SPAN 
class=em2>提供给服务器和用户代理的信息数量和种类非常丰富。这是通过大量消息报头实现的，</SPAN></SPAN></NOBR></SPAN> 
<SPAN class=ps2><NOBR><SPAN class=ft1>这些报头在很多消息中是可选的。表<SPAN 
class=em3>1-14</SPAN>中列出了<SPAN 
class=em3>RFC2543</SPAN>中已经定义的报头。符号列表示</SPAN></NOBR></SPAN> <SPAN 
class=ps3><NOBR><SPAN 
class=ft1>报头的有效范围。大部分报头是端到端的，但是有些具有站接站的有效范围。必须的报头用</SPAN></NOBR></SPAN> <SPAN 
class=ps4><NOBR><SPAN class=ft0>m<SPAN class=em2>表示，而可选的则用</SPAN>o<SPAN 
class=em2>表示。</SPAN></SPAN></NOBR></SPAN> <SPAN class=ps5><NOBR><SPAN 
class=ft2>表<SPAN class=em4>1-14 &nbsp;SIP</SPAN>报头</SPAN></NOBR></SPAN> <SPAN 
class=ps6><NOBR><SPAN class=ft3>报</SPAN></NOBR></SPAN> <SPAN 
class=ps7><NOBR><SPAN class=ft3>头</SPAN></NOBR></SPAN> <SPAN 
class=ps8><NOBR><SPAN class=ft3>消息类型</SPAN></NOBR></SPAN> <SPAN 
class=ps9><NOBR>ACK</NOBR></SPAN> <SPAN class=ps10><NOBR>BYE</NOBR></SPAN> <SPAN 
class=ps11><NOBR>CANCEL</NOBR></SPAN> <SPAN 
class=ps12><NOBR>INVITE</NOBR></SPAN> <SPAN 
class=ps13><NOBR>OPTIONS</NOBR></SPAN> <SPAN 
class=ps14><NOBR>REGISTER</NOBR></SPAN> <SPAN 
class=ps15><NOBR>Accept</NOBR></SPAN> <SPAN class=ps16><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps17><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps18><NOBR>n/a</NOBR></SPAN> <SPAN class=ps19><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps20><NOBR>o</NOBR></SPAN> <SPAN class=ps21><NOBR>o</NOBR></SPAN> 
<SPAN class=ps22><NOBR>o</NOBR></SPAN> <SPAN 
class=ps23><NOBR>Accept</NOBR></SPAN> <SPAN class=ps24><NOBR>415</NOBR></SPAN> 
<SPAN class=ps25><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps26><NOBR>n/a</NOBR></SPAN> <SPAN class=ps27><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps28><NOBR>o</NOBR></SPAN> <SPAN class=ps29><NOBR>o</NOBR></SPAN> 
<SPAN class=ps30><NOBR>o</NOBR></SPAN> <SPAN 
class=ps31><NOBR>Accept-Encoding</NOBR></SPAN> <SPAN class=ps32><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps33><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps34><NOBR>n/a</NOBR></SPAN> <SPAN class=ps35><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps36><NOBR>o</NOBR></SPAN> <SPAN class=ps37><NOBR>o</NOBR></SPAN> 
<SPAN class=ps38><NOBR>o</NOBR></SPAN> <SPAN 
class=ps39><NOBR>Accept-Encoding</NOBR></SPAN> <SPAN 
class=ps40><NOBR>415</NOBR></SPAN> <SPAN class=ps41><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps42><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps43><NOBR>n/a</NOBR></SPAN> <SPAN class=ps44><NOBR>o</NOBR></SPAN> <SPAN 
class=ps45><NOBR>o</NOBR></SPAN> <SPAN class=ps46><NOBR>o</NOBR></SPAN> <SPAN 
class=ps47><NOBR>Accept-Language</NOBR></SPAN> <SPAN class=ps48><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps49><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps50><NOBR>o</NOBR></SPAN> <SPAN class=ps51><NOBR>o</NOBR></SPAN> <SPAN 
class=ps52><NOBR>o</NOBR></SPAN> <SPAN class=ps53><NOBR>o</NOBR></SPAN> <SPAN 
class=ps54><NOBR>o</NOBR></SPAN> <SPAN 
class=ps55><NOBR>Accept-Language</NOBR></SPAN> <SPAN 
class=ps56><NOBR>415</NOBR></SPAN> <SPAN class=ps57><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps58><NOBR>o</NOBR></SPAN> <SPAN class=ps59><NOBR>o</NOBR></SPAN> 
<SPAN class=ps60><NOBR>o</NOBR></SPAN> <SPAN class=ps61><NOBR>o</NOBR></SPAN> 
<SPAN class=ps62><NOBR>o</NOBR></SPAN> <SPAN 
class=ps63><NOBR>Allow</NOBR></SPAN> <SPAN class=ps64><NOBR>200</NOBR></SPAN> 
<SPAN class=ps65><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps66><NOBR>n/a</NOBR></SPAN> <SPAN class=ps67><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps68><NOBR>n/a</NOBR></SPAN> <SPAN class=ps69><NOBR>m</NOBR></SPAN> 
<SPAN class=ps70><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps71><NOBR>Allow</NOBR></SPAN> <SPAN class=ps72><NOBR>405</NOBR></SPAN> 
<SPAN class=ps73><NOBR>o</NOBR></SPAN> <SPAN class=ps74><NOBR>o</NOBR></SPAN> 
<SPAN class=ps75><NOBR>o</NOBR></SPAN> <SPAN class=ps76><NOBR>o</NOBR></SPAN> 
<SPAN class=ps77><NOBR>o</NOBR></SPAN> <SPAN class=ps78><NOBR>o</NOBR></SPAN> 
<SPAN class=ps79><NOBR>Authorization</NOBR></SPAN> <SPAN class=ps80><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps81><NOBR>o</NOBR></SPAN> <SPAN 
class=ps82><NOBR>o</NOBR></SPAN> <SPAN class=ps83><NOBR>o</NOBR></SPAN> <SPAN 
class=ps84><NOBR>o</NOBR></SPAN> <SPAN class=ps85><NOBR>o</NOBR></SPAN> <SPAN 
class=ps86><NOBR>o</NOBR></SPAN> <SPAN class=ps87><NOBR>Call-ID</NOBR></SPAN> 
<SPAN class=ps88><NOBR><SPAN class=ft3>通用，从</SPAN></NOBR></SPAN> <SPAN 
class=ps89><NOBR>m</NOBR></SPAN> <SPAN class=ps90><NOBR>m</NOBR></SPAN> <SPAN 
class=ps91><NOBR>m</NOBR></SPAN> <SPAN class=ps92><NOBR>m</NOBR></SPAN> <SPAN 
class=ps93><NOBR>m</NOBR></SPAN> <SPAN class=ps94><NOBR>m</NOBR></SPAN> <SPAN 
class=ps95><NOBR><SPAN class=ft3>请求复制</SPAN></NOBR></SPAN> <SPAN 
class=ps96><NOBR><SPAN class=ft3>到应答</SPAN></NOBR></SPAN> <SPAN 
class=ps97><NOBR>Contact</NOBR></SPAN> <SPAN class=ps98><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps99><NOBR>o</NOBR></SPAN> <SPAN 
class=ps100><NOBR>n/a</NOBR></SPAN> <SPAN class=ps101><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps102><NOBR>o</NOBR></SPAN> <SPAN class=ps103><NOBR>o</NOBR></SPAN> 
<SPAN class=ps104><NOBR>o</NOBR></SPAN> <SPAN 
class=ps105><NOBR>Contact</NOBR></SPAN> <SPAN 
class=ps106><NOBR>1xx</NOBR></SPAN> <SPAN class=ps107><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps108><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps109><NOBR>n/a</NOBR></SPAN> <SPAN class=ps110><NOBR>o</NOBR></SPAN> 
<SPAN class=ps111><NOBR>o</NOBR></SPAN> <SPAN 
class=ps112><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps113><NOBR>Contact</NOBR></SPAN> <SPAN 
class=ps114><NOBR>2xx</NOBR></SPAN> <SPAN class=ps115><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps116><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps117><NOBR>n/a</NOBR></SPAN> <SPAN class=ps118><NOBR>o</NOBR></SPAN> 
<SPAN class=ps119><NOBR>o</NOBR></SPAN> <SPAN class=ps120><NOBR>o</NOBR></SPAN> 
<SPAN class=ps121><NOBR>Contact</NOBR></SPAN> <SPAN 
class=ps122><NOBR>3xx</NOBR></SPAN> <SPAN class=ps123><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps124><NOBR>o</NOBR></SPAN> <SPAN 
class=ps125><NOBR>n/a</NOBR></SPAN> <SPAN class=ps126><NOBR>o</NOBR></SPAN> 
<SPAN class=ps127><NOBR>o</NOBR></SPAN> <SPAN class=ps128><NOBR>o</NOBR></SPAN> 
<SPAN class=ps129><NOBR>Contact</NOBR></SPAN> <SPAN 
class=ps130><NOBR>485</NOBR></SPAN> <SPAN class=ps131><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps132><NOBR>o</NOBR></SPAN> <SPAN 
class=ps133><NOBR>n/a</NOBR></SPAN> <SPAN class=ps134><NOBR>o</NOBR></SPAN> 
<SPAN class=ps135><NOBR>o</NOBR></SPAN> <SPAN class=ps136><NOBR>o</NOBR></SPAN> 
<SPAN class=ps137><NOBR>Content-Encoding</NOBR></SPAN> <SPAN 
class=ps138><NOBR><SPAN class=ft3>实体</SPAN></NOBR></SPAN> <SPAN 
class=ps139><NOBR>o</NOBR></SPAN> <SPAN class=ps140><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps141><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps142><NOBR>o</NOBR></SPAN> <SPAN class=ps143><NOBR>o</NOBR></SPAN> <SPAN 
class=ps144><NOBR>o</NOBR></SPAN> <SPAN 
class=ps145><NOBR>Content-Length</NOBR></SPAN> <SPAN class=ps146><NOBR><SPAN 
class=ft3>实体</SPAN></NOBR></SPAN> <SPAN class=ps147><NOBR>o</NOBR></SPAN> <SPAN 
class=ps148><NOBR>n/a</NOBR></SPAN> <SPAN class=ps149><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps150><NOBR>o</NOBR></SPAN> <SPAN class=ps151><NOBR>o</NOBR></SPAN> 
<SPAN class=ps152><NOBR>o</NOBR></SPAN> <SPAN 
class=ps153><NOBR>Content-Type</NOBR></SPAN> <SPAN class=ps154><NOBR><SPAN 
class=ft3>实体</SPAN></NOBR></SPAN> <SPAN class=ps155><NOBR>*</NOBR></SPAN> <SPAN 
class=ps156><NOBR>n/a</NOBR></SPAN> <SPAN class=ps157><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps158><NOBR>*</NOBR></SPAN> <SPAN class=ps159><NOBR>*</NOBR></SPAN> 
<SPAN class=ps160><NOBR>*</NOBR></SPAN> <SPAN 
class=ps161><NOBR>Cseq</NOBR></SPAN> <SPAN class=ps162><NOBR><SPAN 
class=ft3>通用，从</SPAN></NOBR></SPAN> <SPAN class=ps163><NOBR>m</NOBR></SPAN> 
<SPAN class=ps164><NOBR>m</NOBR></SPAN> <SPAN class=ps165><NOBR>m</NOBR></SPAN> 
<SPAN class=ps166><NOBR>m</NOBR></SPAN> <SPAN class=ps167><NOBR>m</NOBR></SPAN> 
<SPAN class=ps168><NOBR>m</NOBR></SPAN> <SPAN class=ps169><NOBR><SPAN 
class=ft3>请求复制</SPAN></NOBR></SPAN> <SPAN class=ps170><NOBR><SPAN 
class=ft3>到应答</SPAN></NOBR></SPAN> <SPAN class=ps171><NOBR>Date</NOBR></SPAN> 
<SPAN class=ps172><NOBR><SPAN class=ft3>通用</SPAN></NOBR></SPAN> <SPAN 
class=ps173><NOBR>o</NOBR></SPAN> <SPAN class=ps174><NOBR>o</NOBR></SPAN> <SPAN 
class=ps175><NOBR>o</NOBR></SPAN> <SPAN class=ps176><NOBR>o</NOBR></SPAN> <SPAN 
class=ps177><NOBR>o</NOBR></SPAN> <SPAN class=ps178><NOBR>o</NOBR></SPAN> <SPAN 
class=ps179><NOBR>Encryption</NOBR></SPAN> <SPAN class=ps180><NOBR><SPAN 
class=ft3>通用</SPAN></NOBR></SPAN> <SPAN class=ps181><NOBR>o</NOBR></SPAN> <SPAN 
class=ps182><NOBR>o</NOBR></SPAN> <SPAN class=ps183><NOBR>o</NOBR></SPAN> <SPAN 
class=ps184><NOBR>o</NOBR></SPAN> <SPAN class=ps185><NOBR>o</NOBR></SPAN> <SPAN 
class=ps186><NOBR>o</NOBR></SPAN> <SPAN class=ps187><NOBR>Expires</NOBR></SPAN> 
<SPAN class=ps188><NOBR><SPAN class=ft3>通用</SPAN></NOBR></SPAN> <SPAN 
class=ps189><NOBR>n/a</NOBR></SPAN> <SPAN class=ps190><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps191><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps192><NOBR>o</NOBR></SPAN> <SPAN class=ps193><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps194><NOBR>o</NOBR></SPAN> <SPAN 
class=ps195><NOBR>From</NOBR></SPAN> <SPAN class=ps196><NOBR><SPAN 
class=ft3>通用，从</SPAN></NOBR></SPAN> <SPAN class=ps197><NOBR>m</NOBR></SPAN> 
<SPAN class=ps198><NOBR>m</NOBR></SPAN> <SPAN class=ps199><NOBR>m</NOBR></SPAN> 
<SPAN class=ps200><NOBR>m</NOBR></SPAN> <SPAN class=ps201><NOBR>m</NOBR></SPAN> 
<SPAN class=ps202><NOBR>m</NOBR></SPAN> <SPAN class=ps203><NOBR><SPAN 
class=ft3>请求复制</SPAN></NOBR></SPAN> <SPAN class=ps204><NOBR><SPAN 
class=ft3>到应答</SPAN></NOBR></SPAN> <SPAN class=ps205><NOBR>Hide</NOBR></SPAN> 
<SPAN class=ps206><NOBR><SPAN class=ft3>请求</SPAN></NOBR></SPAN> <SPAN 
class=ps207><NOBR>o</NOBR></SPAN> <SPAN class=ps208><NOBR>o</NOBR></SPAN> <SPAN 
class=ps209><NOBR>o</NOBR></SPAN> <SPAN class=ps210><NOBR>o</NOBR></SPAN> <SPAN 
class=ps211><NOBR>o</NOBR></SPAN> <SPAN class=ps212><NOBR>o</NOBR></SPAN> <SPAN 
class=ps213><NOBR>Max-Forward</NOBR></SPAN> <SPAN class=ps214><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps215><NOBR>o</NOBR></SPAN> <SPAN 
class=ps216><NOBR>o</NOBR></SPAN> <SPAN class=ps217><NOBR>o</NOBR></SPAN> <SPAN 
class=ps218><NOBR>o</NOBR></SPAN> <SPAN class=ps219><NOBR>o</NOBR></SPAN> <SPAN 
class=ps220><NOBR>o</NOBR></SPAN> <SPAN 
class=ps221><NOBR>Organization</NOBR></SPAN> <SPAN class=ps222><NOBR><SPAN 
class=ft3>通用</SPAN></NOBR></SPAN> <SPAN class=ps223><NOBR>n/a</NOBR></SPAN> 
<SPAN class=ps224><NOBR>n/a</NOBR></SPAN> <SPAN 
class=ps225><NOBR>n/a</NOBR></SPAN> <SPAN class=ps226><NOBR>o</NOBR></SPAN> 
<SPAN class=ps227><NOBR>o</NOBR></SPAN> <SPAN class=ps228><NOBR>o</NOBR></SPAN> 
<SPAN class=ps229><NOBR>Proxy-Authenticate</NOBR></SPAN> <SPAN 
class=ps230><NOBR>407</NOBR></SPAN> <SPAN class=ps231><NOBR>o</NOBR></SPAN> 
<SPAN class=ps232><NOBR>o</NOBR></SPAN> <SPAN class=ps233><NOBR>o</NOBR></SPAN> 
<SPAN class=ps234><NOBR>o</NOBR></SPAN> <SPAN class=ps235><NOBR>o</NOBR></SPAN> 
<SPAN class=ps236><NOBR>o</NOBR></SPAN> <SPAN 
class=ps237><NOBR>Proxy-Authorization</NOBR></SPAN> <SPAN 
class=ps238><NOBR><SPAN class=ft3>请求</SPAN></NOBR></SPAN> <SPAN 
class=ps239><NOBR>o</NOBR></SPAN> <SPAN class=ps240><NOBR>o</NOBR></SPAN> <SPAN 
class=ps241><NOBR>o</NOBR></SPAN> <SPAN class=ps242><NOBR>o</NOBR></SPAN> <SPAN 
class=ps243><NOBR>o</NOBR></SPAN> <SPAN class=ps244><NOBR>o</NOBR></SPAN> <SPAN 
class=ps245><NOBR>Proxy-Require</NOBR></SPAN> <SPAN class=ps246><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps247><NOBR>o</NOBR></SPAN> <SPAN 
class=ps248><NOBR>o</NOBR></SPAN> <SPAN class=ps249><NOBR>o</NOBR></SPAN> <SPAN 
class=ps250><NOBR>o</NOBR></SPAN> <SPAN class=ps251><NOBR>o</NOBR></SPAN> <SPAN 
class=ps252><NOBR>o</NOBR></SPAN> <SPAN class=ps253><NOBR>Priority</NOBR></SPAN> 
<SPAN class=ps254><NOBR><SPAN class=ft3>请求</SPAN></NOBR></SPAN> <SPAN 
class=ps255><NOBR>-</NOBR></SPAN> <SPAN class=ps256><NOBR>-</NOBR></SPAN> <SPAN 
class=ps257><NOBR>-</NOBR></SPAN> <SPAN class=ps258><NOBR>o</NOBR></SPAN> <SPAN 
class=ps259><NOBR>-</NOBR></SPAN> <SPAN class=ps260><NOBR>-</NOBR></SPAN> <SPAN 
class=ps261><NOBR>Require</NOBR></SPAN> <SPAN class=ps262><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps263><NOBR>o</NOBR></SPAN> <SPAN 
class=ps264><NOBR>o</NOBR></SPAN> <SPAN class=ps265><NOBR>o</NOBR></SPAN> <SPAN 
class=ps266><NOBR>o</NOBR></SPAN> <SPAN class=ps267><NOBR>o</NOBR></SPAN> <SPAN 
class=ps268><NOBR>o</NOBR></SPAN> <SPAN 
class=ps269><NOBR>Retry-After</NOBR></SPAN> <SPAN class=ps270><NOBR><SPAN 
class=ft3>请求</SPAN></NOBR></SPAN> <SPAN class=ps271><NOBR>-</NOBR></SPAN> <SPAN 
class=ps272><NOBR>-</NOBR></SPAN> <SPAN class=ps273><NOBR>-</NOBR></SPAN> <SPAN 
class=ps274><NOBR>-</NOBR></SPAN> <SPAN class=ps275><NOBR>-</NOBR></SPAN> <SPAN 
class=ps276><NOBR>o</NOBR></SPAN> <SPAN 
class=ps277><NOBR>Retry-After</NOBR></SPAN> <SPAN class=ps278><NOBR>404 480 
486</NOBR></SPAN> <SPAN class=ps279><NOBR>o</NOBR></SPAN> <SPAN 
class=ps280><NOBR>o</NOBR></SPAN> <SPAN class=ps281><NOBR>o</NOBR></SPAN> <SPAN 
class=ps282><NOBR>o</NOBR></SPAN> <SPAN class=ps283><NOBR>o</NOBR></SPAN> <SPAN 
class=ps284><NOBR>o</NOBR></SPAN> <SPAN class=ps285><NOBR>503</NOBR></SPAN> 
<SPAN class=ps286><NOBR>o</NOBR></SPAN> <SPAN class=ps287><NOBR>o</NOBR></SPAN> 
<SPAN class=ps288><NOBR>o</NOBR></SPAN> <SPAN class=ps289><NOBR>o</NOBR></SPAN> 
<SPAN class=ps290><NOBR>o</NOBR></SPAN> <SPAN class=ps291><NOBR>o</NOBR></SPAN> 
<SPAN class=ps292><NOBR>600 603</NOBR></SPAN> <SPAN 
class=ps293><NOBR>o</NOBR></SPAN> <SPAN class=ps294><NOBR>o</NOBR></SPAN> <SPAN 
class=ps295><NOBR>o</NOBR></SPAN> <SPAN class=ps296><NOBR>o</NOBR></SPAN> <SPAN 
class=ps297><NOBR>o</NOBR></SPAN> <SPAN class=ps298><NOBR>o</NOBR></SPAN> <SPAN 
class=ps299><NOBR><SPAN class=ft5>52&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=ps300><NOBR><SPAN 
class=ft6>文档</SPAN></NOBR></SPAN> </BODY></HTML>
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