【正文】 ............................................................................................................消息尾 ......................................................................................................................................管理消息 ..............................................................................................................................................心跳消息（ ）..........................................................................................................................登錄消息（ ）..........................................................................................................................測(cè)試請(qǐng)求消息（ ）..................................................................................................................重發(fā)請(qǐng)求消息（ ）..................................................................................................................會(huì)話拒絕消息（） ......................................................................................................................序號(hào)重設(shè)消息（ ）..................................................................................................................注銷消息（ ）..........................................................................................................................四、 數(shù)據(jù)字典 ................................................................................................................................................數(shù)據(jù)類型 ..............................................................................................................................................V / 42會(huì)話層域定義 ......................................................................................................................................附　 錄　 ..............................................................................................................................................................（登錄場景） ...............................................................................................................................................正常登錄場景一 .......................................................................................................................................正常登錄場景二 .......................................................................................................................................正常登錄場景三 .......................................................................................................................................異常登錄場景一 .......................................................................................................................................異常登錄場景二 .......................................................................................................................................附　 錄　 ..............................................................................................................................................................（注銷場景） ...............................................................................................................................................正常注銷場景 ...........................................................................................................................................附　 錄　 ..............................................................................................................................................................（處理重傳請(qǐng)求場景） ...............................................................................................................................處理重傳請(qǐng)求場景一 ...............................................................................................................................處理重傳請(qǐng)求場景二 ...............................................................................................................................附　 錄　 ..............................................................................................................................................................（處理心跳和測(cè)試請(qǐng)求） ...........................................................................................................................處理心跳和測(cè)試請(qǐng)求 ...............................................................................................................................附　 錄　 ..............................................................................................................................................................（處理會(huì)話拒絕） .......................................................................................................................................處理會(huì)話拒絕 ...........................................................................................................................................附　 錄　 ..............................................................................................................................................................（計(jì)算校驗(yàn)和） ...........................................................................................................................................計(jì)算校驗(yàn)和 ...............................................................................................................................................附　 錄　 ..............................................................................................................................................................（狀態(tài)轉(zhuǎn)換參考圖） ...................................................................................................................................會(huì)話協(xié)議狀態(tài)轉(zhuǎn)換參考圖 .......................................................................................................................附　 錄　 ..............................................................................................................................................................（實(shí)現(xiàn)參考） ...............................................................................................................................................會(huì)話協(xié)議實(shí)現(xiàn)參考 .................