Specifications

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Cisco 1751 Router Software Configuration Guide
OL-1070-01
Usage Guidelines
Use the show call history voice privileged EXEC command to display the call history table. The call
history table contains a listing of all calls connected through this router in descending time order since
VoIP was enabled. You can display subsets of the call history table by using specific keywords. To
display the last calls connected through this router, use the keyword last, and define the number of calls
to be displayed with the argument number.
Sample Display
The following is sample output from the show call history voice command:
router# show call history voice
GENERIC: SetupTime=20405 Index=0 PeerAddress= PeerSubAddress= PeerId=0
PeerIfIndex=0 LogicalIfIndex=0 DisconnectCause=NORMAL DisconnectText= ConnectTime=0
DisconectTime=20595 CallOrigin=2 ChargedUnits=0 InfoType=0 TransmitPackets=0
TransmitBytes=0 ReceivePackets=0 ReceiveBytes=0
VOIP: ConnectionId[0x19BDF910 0xAF500006 0x0 0x56590] RemoteIPAddress=17635075
RemoteUDPPort=16392 RoundTripDelay=0 SelectedQoS=0 SessionProtocol=1
SessionTarget= OnTimeRvPlayout=0 GapFillWithSilence=0 GapFillWithPrediction=0
GapFillWithInterpolation=0 GapFillWithRedundancy=0 HiWaterPlayoutDelay=0
LoWaterPlayoutDelay=0 ReceiveDelay=0 VADEnable=0 CoderTypeRate=0
TELE: ConnectionId=[0x19BDF910 0xAF500006 0x0 0x56590] TxDuration=3030
VoiceTxDuration=2700 FaxTxDuration=0 CoderTypeRate=0 NoiseLevel=0 ACOMLevel=0
SessionTarget=
Table 4 provides an alphabetical listing of the fields in this output and a description of each field.
Table 4 Show-Call-History-Voice Command Field Descriptions
Field Description
ACOMLevel Average ACOM level for this call. This value is sum of the Echo
Return Loss, Echo Return Loss Enhancement, and nonlinear
processing loss for the call.
CallOrigin Call origin; answer versus originate.
CoderTypeRate Negotiated coder rate. This value specifies the transmit rate of
voice/fax compression to its associated call leg for the call.
ConnectionID Global call identifier for the gateway call.
ConnectTime Time the call was connected.
DisconnectCause Description explaining why the call was disconnected.
DisconnectText Descriptive text explaining the disconnect reason.
DisconnectTime Time the call was disconnected.
FaxDuration Duration of fax transmitted from this peer to the voice gateway for this
call. You can derive the Fax Utilization Rate by dividing this value by
the TxDuration value.
GapFillWithSilence Duration of voice signal replaced with silence because the voice data
was lost or not received on time for this call.