MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
"呼叫中斷原因的ASCII文本描述。
該對象存在是因?yàn)橐粋€(gè)管理站不可能存儲(chǔ)各種類型的接口的所有可能的
原因值。它只用在當(dāng)管理站不能解碼
dialCtlPeerStatsLastDisconnectCause的值時(shí)。"
        ::= { callHistoryEntry 7 }

callHistoryConnectTime OBJECT-TYPE
        SYNTAX      TimeStamp
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
"當(dāng)呼叫連接時(shí)的sysUpTime值。"
        ::= { callHistoryEntry 8 }

callHistoryDisconnectTime OBJECT-TYPE
        SYNTAX      TimeStamp
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
            "呼叫斷開時(shí)的sysUpTime值。"
        ::= { callHistoryEntry 9 }

callHistoryCallOrigin OBJECT-TYPE
        SYNTAX      INTEGER {
            originate(1),
            answer(2),
            callback(3)
        }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
            "呼叫來源。"
        ::= { callHistoryEntry 10 }

callHistoryChargedUnits OBJECT-TYPE
        SYNTAX      AbsoluteCounter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
"該連接的已付費(fèi)單位。對于入呼叫或交換機(jī)沒有提供付費(fèi)信息的呼叫，
該對象的值為0。"
        ::= { callHistoryEntry 11 }

callHistoryInfoType OBJECT-TYPE
        SYNTAX      INTEGER {
            other(1),                   -- 例如非ISDN媒體
            speech(2),
            unrestrictedDigital(3),     -- 64k/s數(shù)據(jù) data
            unrestrictedDigital56(4),   -- 具有56k速率適配
            restrictedDigital(5),
            audio31(6),                 -- 3.1 kHz音頻
            audio7(7),                  -- 7 kHz音頻
            video(8),
            packetSwitched(9),
            fax(10)
        }
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
            "該呼叫的信息類型。"
        ::= { callHistoryEntry 12 }

callHistoryTransmitPackets OBJECT-TYPE
        SYNTAX      AbsoluteCounter32
        MAX-ACCESS  read-only
        STATUS     current
        DESCRIPTION
            "當(dāng)該呼叫活躍時(shí)傳送的包的數(shù)目。"
        ::= { callHistoryEntry 13 }

callHistoryTransmitBytes OBJECT-TYPE
        SYNTAX      AbsoluteCounter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
            "當(dāng)該呼叫活躍時(shí)傳送的字節(jié)數(shù)。"
        ::= { callHistoryEntry 14 }

callHistoryReceivePackets OBJECT-TYPE
        SYNTAX      AbsoluteCounter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
            "當(dāng)該呼叫活躍時(shí)接收到的包的數(shù)目。"
        ::= { callHistoryEntry 15 }

callHistoryReceiveBytes OBJECT-TYPE
        SYNTAX      AbsoluteCounter32
        MAX-ACCESS  read-only
        STATUS      current
        DESCRIPTION
            "當(dāng)該呼叫活躍時(shí)接收到的字節(jié)數(shù)。"
        ::= { callHistoryEntry 16 }

-- 與連接管理相關(guān)的陷阱

dialControlMibTrapPrefix OBJECT IDENTIFIER ::= { dialControlMib 2 }
dialControlMibTraps OBJECT IDENTIFIER ::= { dialControlMibTrapPrefix 0 }

dialCtlPeerCallInformation NOTIFICATION-TYPE
        OBJECTS {
            callHistoryPeerId,
            callHistoryPeerIfIndex,
            callHistoryLogicalIfIndex,
            ifOperStatus,
            callHistoryPeerAddress,
            callHistoryPeerSubAddress,
            callHistoryDisconnectCause,
            callHistoryConnectTime,
            callHistoryDisconnectTime,
            callHistoryInfoType,
            callHistoryCallOrigin
        }
        STATUS      current
        DESCRIPTION
"當(dāng)成功呼叫清除時(shí)或呼叫嘗試最終失敗時(shí)，該陷阱/通知被發(fā)送到管理
者。如果正在進(jìn)行呼叫重試，那么在所有重試嘗試都失敗時(shí)發(fā)送。然而，
在成功的呼叫嘗試中只發(fā)送一次該陷阱，后來的呼叫嘗試沒有陷阱。
ifOperStatus將返回與該呼叫的對等點(diǎn)相關(guān)的虛擬接口的操作狀態(tài)。"
     ::= { dialControlMibTraps 1 }

dialCtlPeerCallSetup NOTIFICATION-TYPE
        OBJECTS {
            callActivePeerId,
            callActivePeerIfIndex,
            callActiveLogicalIfIndex,
            ifOperStatus,
            callActivePeerAddress,
            callActivePeerSubAddress,
            callActiveInfoType,
            callActiveCallOrigin
        }
        STATUS      current
        DESCRIPTION
"當(dāng)接收到呼叫建立消息或者發(fā)出呼叫建立消息時(shí)，該陷阱/通知被發(fā)送
到管理者。ifOperStatus將返回與該呼叫的對等點(diǎn)相關(guān)的虛擬接口的操
作狀態(tài)。"
     ::= { dialControlMibTraps 2 }

-- 一致性信息

dialControlMibConformance OBJECT IDENTIFIER ::=
                                { dialControlMib 3 }
dialControlMibCompliances OBJECT IDENTIFIER ::=
                                { dialControlMibConformance 1 }
dialControlMibGroups      OBJECT IDENTIFIER ::=
                                { dialControlMibConformance 2 }

-- 一致性表述

dialControlMibCompliance MODULE-COMPLIANCE
        STATUS      current
        DESCRIPTION
            "實(shí)現(xiàn)DIAL CONTROL MIB的記錄的一致性表述。"
        MODULE      -- this module
        MANDATORY-GROUPS
            { dialControlGroup, callActiveGroup, callHistoryGroup,
              callNotificationsGroup }
        ::= { dialControlMibCompliances 1 }

-- 一致性單元

dialControlGroup OBJECT-GROUP
        OBJECTS {
            dialCtlAcceptMode,
            dialCtlTrapEnable,
            dialCtlPeerCfgIfType,
            dialCtlPeerCfgLowerIf,
            dialCtlPeerCfgOriginateAddress,
            dialCtlPeerCfgAnswerAddress,
            dialCtlPeerCfgSubAddress,
            dialCtlPeerCfgClosedUserGroup,
            dialCtlPeerCfgSpeed,
            dialCtlPeerCfgInfoType,
            dialCtlPeerCfgPermission,
            dialCtlPeerCfgInactivityTimer,
            dialCtlPeerCfgMinDuration,
            dialCtlPeerCfgMaxDuration,
            dialCtlPeerCfgCarrierDelay,
            dialCtlPeerCfgCallRetries,
            dialCtlPeerCfgRetryDelay,
            dialCtlPeerCfgFailureDelay,
            dialCtlPeerCfgTrapEnable,
            dialCtlPeerCfgStatus,
            dialCtlPeerStatsConnectTime,
            dialCtlPeerStatsChargedUnits,
            dialCtlPeerStatsSuccessCalls,
            dialCtlPeerStatsFailCalls,
            dialCtlPeerStatsAcceptCalls,
            dialCtlPeerStatsRefuseCalls,
            dialCtlPeerStatsLastDisconnectCause,
            dialCtlPeerStatsLastDisconnectText,
            dialCtlPeerStatsLastSetupTime
        }
        STATUS      current
        DESCRIPTION
            "提供DIAL CONTROL能力的對象集。"
        ::= { dialControlMibGroups 1 }

callActiveGroup OBJECT-GROUP
        OBJECTS {
            callActivePeerAddress,
            callActivePeerSubAddress,
            callActivePeerId,
            callActivePeerIfIndex,
            callActiveLogicalIfIndex,
            callActiveConnectTime,
            callActiveCallState,
            callActiveCallOrigin,
            callActiveChargedUnits,
            callActiveInfoType,
            callActiveTransmitPackets,
            callActiveTransmitBytes,
            callActiveReceivePackets,
            callActiveReceiveBytes
        }
        STATUS      current
        DESCRIPTION
            "提供活躍呼叫能力的對象集。"
        ::= { dialControlMibGroups 2 }

callHistoryGroup OBJECT-GROUP
        OBJECTS {
            callHistoryTableMaxLength,
            callHistoryRetainTimer,
            callHistoryPeerAddress,
            callHistoryPeerSubAddress,
            callHistoryPeerId,
            callHistoryPeerIfIndex,
            callHistoryLogicalIfIndex,
            callHistoryDisconnectCause,
            callHistoryDisconnectText,
            callHistoryConnectTime,
            callHistoryDisconnectTime,
            callHistoryCallOrigin,
            callHistoryChargedUnits,
            callHistoryInfoType,
            callHistoryTransmitPackets,
            callHistoryTransmitBytes,
            callHistoryReceivePackets,
            callHistoryReceiveBytes
        }
        STATUS      current
        DESCRIPTION
            "提供呼叫歷史能力的對象集。"
        ::= { dialControlMibGroups 3 }

callNotificationsGroup NOTIFICATION-GROUP
    NOTIFICATIONS { dialCtlPeerCallInformation, dialCtlPeerCallSetup }
    STATUS        current
    DESCRIPTION
            "需要一個(gè)Dial Control MIB實(shí)體來實(shí)現(xiàn)的通知。"
    ::= { dialControlMibGroups 4 }


END

4.  致謝
   該文檔由ISDN MIB工作組制定。非常感謝下面人員： 

           Ed Alcoff
           Fred Baker
           Bibek A. Das
           Ken Grigg
           Jeffrey T. Johnson
           Glenn Kime
           Oliver Korfmacher
           Kedar Madineni
           Bill Miskovetz
           David M. Piscitello
           Lisa A. Phifer
           Randy Roberts
           Hascall H. Sharp
           Hongchi Shih
           Robert Snyder
           Bob Stewart
           Ron Stoughton
           James Watt
5.  參考文獻(xiàn)
[1]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M., andS. Waldbusser, 
"第二版簡單網(wǎng)管協(xié)議（SNMPv2）的管理信息結(jié)構(gòu)", RFC 1902, January 1996.

[2]  McCloghrie, K., and M. Rose, Editors, "第二版簡單網(wǎng)管協(xié)議（SNMPv2）的管理信
息庫：MIB-II", STD 17, RFC 1213, Hughes LAN Systems, Performance Systems 
International, March 1991.

[3]  Case, J., Fedor, M., Schoffstall, M., and J. Davin, "簡單網(wǎng)管協(xié)議(SNMP)", STD 
15, RFC 1157, SNMP Research, Performance Systems International, MIT Lab for Computer 
Science, May 1990.

[4]  SNMPv2 Working Group, Case, J., McCloghrie, K., Rose, M. andS. Waldbusser, "
第二版網(wǎng)絡(luò)管理協(xié)議(SNMPv2)的協(xié)議操作", RFC 1905, January 1996.

[5]  ITU-T Recommendation "數(shù)字用戶信令系統(tǒng)No.1(DSS 1) – ISDN基本呼叫控制的用
戶網(wǎng)絡(luò)接口第3層規(guī)范", Rec. Q.931(I.451), March 1993.

[6]  ITU-T Recommendation "ISDN附加業(yè)務(wù)ISDN用戶網(wǎng)絡(luò)接口第3層規(guī)范的通用控制過
程。", Rec. Q.932(I.452).

[7]  ITU-T Recommendation "數(shù)字用戶信令系統(tǒng)No. 1(DSS 1) – 幀模式基本呼叫控制的
信令規(guī)范", Rec. Q.933.

[8]  McCloghrie, K. and F. Kastenholz, "MIB-II接口組的演進(jìn)", RFC 1573, Hughes LAN 
Systems, FTP Software, January 1994.

6.  安全考慮
   該MIB中的信息可安全地用于上層協(xié)議。
   實(shí)現(xiàn)者應(yīng)注意支持對對等點(diǎn)類的支持可能會(huì)導(dǎo)致安全漏洞（見3.4節(jié)）。用戶不知道呼叫
從哪兒來，如果其他鑒權(quán)策略（例如PPP鑒權(quán)）不可用，將會(huì)潛在地允許未授權(quán)訪問。

7. 作者地址
   Guenter Roeck
   cisco Systems
   170 West Tasman Drive
   San Jose, CA 95134
   U.S.A.

   Phone: +1 408 527 3143
   EMail: groeck@cisco.com



RFC2128——Dial Control Management Information Base using SMIv2
                   撥號控制MIB


31
RFC文檔中文翻譯計(jì)劃