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Packet loss alert

Unanswered Question
Jul 23rd, 2012
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Hi, we are getting lots of  these email alerts below and not sure what is causing the packet loss listed in the alert message. Any idea where to start troubleshooting this. There are no voice quality issues reported from the user side.

                

To: Voip Alerts

Subject: 00018S6;3473962228;Service Quality Issue;Fri 20-Jul-2012 17:48:57 EDT;Critical;Active;Citywide


** This message is generated from Cisco Unified Operations Manager **


EVENT ID               = 00018S6

CREATION TIME           = Fri 20-Jul-2012 17:48:57 EDT

STATUS                 = Active

SEVERITY               = Critical

MANAGED OBJECT         = 3473962228

DEFAULT EVENT NAME       = Service Quality Issue

CUSTOMER IDENTIFICATION = Citide

EVENT DESCRIPTION       = Service Quality Issue::Destination= 3473962228; Destination IP Address= 10.23.82.35; Destination Type= IP Phone; Destination Model= 7945; Switch For Destination= N/A; Destination Port= N/A; SourceEndPoint= 3473966850; Source IP Address= 10.23.108.24; Source Type= IP Phone; Source Model= 7945; Switch For Source= N/A; Source Port= N/A; Detection Algorithm= CVTQ - Phone based voice quality; MOS= 2.8; Critical MOS Threshold= 3.5; Cause= N/A; Codec= G711Ulaw 64k; Jitter= 0 ms; Packet loss= 536 Packets; CVTQ version= 0.95; Cluster ID= StandAloneCluster; Cumulative Concealment Ratio= 0.1088; Interval Concealment Ratio= 0.0797; Max Interval Concealment Ratio= 0.198; ConcealmentSeconds= 91; Severely Concealed Seconds= 86; Call duration= 1m 32s; MOS during last 8 secs= 2.9; Min MOS during call= 2.6; Max MOS during call= 3.1; Customer Name= Citywide; DescriptionURL= <

To: Voip Alerts

Subject: 00018S6;3473962228;Service Quality Issue;Fri 20-Jul-2012 17:48:57 EDT;Critical;Active;Citywide

Thanks,

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