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Voice Quality - Packet loss

Unanswered Question
Dec 13th, 2013
User Badges:

Hi guys,


I am troubleshooting a voice quality in a new deployment.

I found many loss packets when issuing show call active voice on a remote gateway:


GENERIC:


SetupTime=35855252150 ms


Index=154071


PeerAddress=5963


PeerSubAddress=


PeerId=200


PeerIfIndex=283


LogicalIfIndex=0


DisconnectCause=10


DisconnectText=normal call clearing (16)


ConnectTime=35855259350 ms


DisconnectTime=35855385020 ms


CallDuration=00:02:05 sec


CallOrigin=1


ReleaseSource=1


ChargedUnits=0


InfoType=speech


TransmitPackets=1


TransmitBytes=160


ReceivePackets=5951


ReceiveBytes=952160


VOIP:


ConnectionId[0xE3FBF3F5 0x632411E3 0xBBA50022 0xBDDB6210]


IncomingConnectionId[0xE3FBF3F5 0x632411E3 0xBBA50022 0xBDDB6210]


CallID=154722


RemoteIPAddress=10.12.40.31


RemoteUDPPort=30492


RemoteSignallingIPAddress=10.12.40.31


RemoteSignallingPort=5060


RemoteMediaIPAddress=10.12.40.33


RemoteMediaPort=30492


SRTP = off


TextRelay = off


Fallback Icpif=0


Fallback Loss=0


Fallback Delay=0


RoundTripDelay=0 ms


SelectedQoS=best-effort


tx_DtmfRelay=rtp-nte


FastConnect=FALSE




AnnexE=FALSE




Separate H245 Connection=FALSE




H245 Tunneling=FALSE




SessionProtocol=sipv2


[email protected]


SessionTarget=10.12.40.31


OnTimeRvPlayout=117120


GapFillWithSilence=0 ms


GapFillWithPrediction=6510 ms


GapFillWithInterpolation=0 ms


GapFillWithRedundancy=0 ms


HiWaterPlayoutDelay=145 ms


LoWaterPlayoutDelay=55 ms


ReceiveDelay=145 ms


LostPackets=316


EarlyPackets=1


LatePackets=0


VAD = disabled


CoderTypeRate=g711ulaw


CodecBytes=160


cvVoIPCallHistoryIcpif=9


MediaSetting=flow-through


AlertTimepoint=1495513842 ms


CallerName=


CallerIDBlocked=False


OriginalCallingNumber=+212537204491


OriginalCallingOctet=0x0


OriginalCalledNumber=5963


OriginalCalledOctet=0x81


OriginalRedirectCalledNumber=


OriginalRedirectCalledOctet=0xFF


TranslatedCallingNumber=+212537204491


TranslatedCallingOctet=0x0


TranslatedCalledNumber=5963


TranslatedCalledOctet=0x81


TranslatedRedirectCalledNumber=


TranslatedRedirectCalledOctet=0xFF


GwReceivedCalledNumber=5963


GwReceivedCalledOctet3=0x81


GwOutpulsedCalledNumber=5963


GwOutpulsedCalledOctet3=0x81


GwReceivedCallingNumber=0537204491


GwReceivedCallingOctet3=0x21


GwReceivedCallingOctet3a=0x83


GwOutpulsedCallingNumber=+212537204491


GwOutpulsedCallingOctet3=0x0


GwOutpulsedCallingOctet3a=0x83


MediaInactiveDetected=no


MediaInactiveTimestamp=


MediaControlReceived=


LongDurationCallDetected=no


LongDurationCallTimerStamp=


LongDurationCallDuration=


Username=


MlppServiceDomain=0 (NO_MLPP_DOMAIN)


PrecedenceLevel=0 (PRECEDENCE_LEVEL_NONE)




CPA Call History Parameters


  CPA Event Status: DISABLE




GENERIC:


SetupTime=35855252140 ms


Index=154072


PeerAddress=0537204491


PeerSubAddress=


PeerId=60


PeerIfIndex=274


LogicalIfIndex=88


DisconnectCause=10


DisconnectText=normal call clearing (16)


ConnectTime=35855259350 ms


DisconnectTime=35855385030 ms


CallDuration=00:02:05 sec


CallOrigin=2


ReleaseSource=1


ChargedUnits=0


InfoType=speech


TransmitPackets=6281


TransmitBytes=1004960


ReceivePackets=5951


ReceiveBytes=999768


TELE:


ConnectionId=[0xE3FBF3F5 0x632411E3 0xBBA50022 0xBDDB6210]


IncomingConnectionId=[0xE3FBF3F5 0x632411E3 0xBBA50022 0xBDDB6210]


CallID=154721


Port=6/2:D (154721)


BearerChannel=6/2.1


TxDuration=125650 ms


VoiceTxDuration=125650 ms


FaxTxDuration=0 ms


CoderTypeRate=g711ulaw


NoiseLevel=-83


ACOMLevel=45


SessionTarget=


ImgPages=0


CallerName=


CallerIDBlocked=False


LongDurationCallDetected=no


LongDurCallTimeStamp=


LongDurCallDuration=


OriginalCallingNumber=0537204491


OriginalCallingOctet=0x21


OriginalCalledNumber=5963


OriginalCalledOctet=0x81


OriginalRedirectCalledNumber=


OriginalRedirectCalledOctet=0xFF


TranslatedCallingNumber=+212537204491


TranslatedCallingOctet=0x0


TranslatedCalledNumber=5963


TranslatedCalledOctet=0x81


TranslatedRedirectCalledNumber=


TranslatedRedirectCalledOctet=0xFF


GwReceivedCalledNumber=5963


GwReceivedCalledOctet3=0x81


GwReceivedCallingNumber=0537204491


GwReceivedCallingOctet3=0x21


GwReceivedCallingOctet3a=0x83


DSPIdentifier=1/2:1


MlppServiceDomain=0 (NO_MLPP_DOMAIN)


PrecedenceLevel=-1 (PRECEDENCE_LEVEL_NONE)



This is a remote gateway for incoming calls from PSTN. When i ping the HQ (Where the IP Phones are located) i can see 4% packet loss:


AS5400_DC2-01#ping


Protocol [ip]:


Target IP address: 10.12.99.22


Repeat count [5]: 500


Datagram size [100]:


Timeout in seconds [2]:


Extended commands [n]:


Sweep range of sizes [n]:


Type escape sequence to abort.


Sending 500, 100-byte ICMP Echos to 10.12.99.22, timeout is 2 seconds:


!!!!!!!!!!!!!!!!!!!..!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!


!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!


!!!!.!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!


!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!


!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!


!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!.!!!!!!!!!!!!!!!!!!..!!!!!!!.!


!!!!!!!!!!


Success rate is 96 percent (484/500), round-trip min/avg/max = 1/2/12 ms


The problem is that i cannot find this lost packets on the ip phone itself. when i access the ip address of the ip phone, i see 0 packet loss and a very good Mos.


Can somone help me to clarify why there is a difference between the gateway and the ip phone logs


Thank you in advance

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