SNMP MIBs for Voice Gateway

Management Information Base (MIB) 物件的規則、定義與語法是由 IETF 的 SMI 管理資訊結構來指定結構與描述資料物件的方法。

MIB-II (RFC1213) 每一項網管物件(Object)，又稱為網路狀態資訊，均有一個唯一的物件識別值(Object Identifier，簡稱OID)
MIB for SNMP：RFC3418
RMON MIBs (Remote Network Monitoring, Statistsics, History, Alarm, Hosts Group)
RFC2465 MIB for IPv6: Textual Conventions and General Group
RFC2466 MIB for IPv6: ICMPv6 Group
RFC2452 IPv6 MIB for TCP
RFC2454 IPv6 MIB for UDP

RFC4780 MIB for SIP

FXS Port 狀態

• IF-MIB::ifDescr.37 = STRING: Foreign Exchange Station 2/0/0
• CISCO-VOICE-ANALOG-IF-MIB::cvaIfFXSCfgSignalType.37 = INTEGER: fxsLoopStart(1)
• IF-MIB::ifAdminStatus.37 = INTEGER: up(1)
• IF-MIB::ifOperStatus.37 = INTEGER: up(1)
• CISCO-VOICE-ANALOG-IF-MIB::cvaIfFXSHookStatus.37 = INTEGER: offHook(2)
• CISCO-VOICE-IF-MIB::cvIfCfgEchoCancelEnable.37 = INTEGER: true(1)

FXS 呼叫狀態

• IF-MIB::ifDescr.37 = STRING: Foreign Exchange Station 2/0/0
• CISCO-VOICE-COMMON-DIAL-CONTROL-MIB::cvCommonDcCallActiveCoderTypeRate. 1102966.1 = INTEGER: ietfg729r8000(25)
• CISCO-VOICE-COMMON-DIAL-CONTROL-MIB::cvCommonDcCallActiveVADEnable. 1102966.1 = INTEGER: true(1)

DIGIUM-MIB
ASTERISK-MIB
https://github.com/librenms/librenms/issues/8015q

AddPac Enterprise MIBs

• VOIP-GLOBAL–MIB: Manages the Global setting and status.
• VOICE-IF-MIB: Manages the voice related parameters for both voice analog and ISDN interfaces.
• VOIP-POTS-PEER-MIB: Manages the POTS dial peer related parameters for POTS.
• VOIP-VOIP-PEER-MIB: Manages the VOIP dial peer related parameters for VOIP.
• VOIP-MISC-MIB: Manages the Translation rule Table, Codec Class Table, User Class Table, Alternate Gatekeeper Table, Number Expansion Table.
• VOIP-STAT-MIB: Shows call statistics of current active calls and call history