What is RouteListExhausted cause code No.125 meaning

[Ryan YC]

Hi,

I see these messages from RealTimeMonitorTool about route list exhausted issue, but i can't find any explain for cause code No.125,

so please does someone who can explain for me, thanks!

 Number of RouteListExhausted events exceeds configured threshold during configured interval 0 within 60 minutes  on cluster TY-ucm-pub.domainname.com.  
 
 There are 3 RouteListExhausted events (up to 30) received during the monitoring interval From Wed Dec 30 17:38:38 PST 2015 to Wed Dec 30 18:38:38 PST 2015: 

 
 RouteListName : To-T3-Gateway; Reason=125; 
 RouteGroups(VG-xxxxx-T3) AppID : Cisco CallManager 
 ClusterID : TY-ucm-pub.domainname.com 
 NodeID : TY-ucm-pub  
 TimeStamp : Wed Dec 30 18:31:14 PST 2015  
 
 
 RouteListName : To-T3-Gateway; Reason=125; 
 RouteGroups(VG-xxxxx-T3) AppID : Cisco CallManager 
 ClusterID : TY-ucm-pub.domainname.com 
 NodeID : TY-ucm-pub  
 TimeStamp : Wed Dec 30 18:31:10 PST 2015  
 
 
 RouteListName : To-T3-Gateway; Reason=125; 
 RouteGroups(VG-xxxxx-T3) AppID : Cisco CallManager 
 ClusterID : TY-ucm-pub.domainname.com 
 NodeID : TY-ucm-pub  
 TimeStamp : Wed Dec 30 18:31:03 PST 2015  

[Ryan Huff · Accepted solution]

Cause Code 125 is "Out of Bandwidth (Cisco Specific)"

In general, the RouteListExhausted event refers to the Route List that the event is for, meaning that for the dialed digits presented to the list, there were no matching routes available.

There are a few things that can cause this;

• Unallocated number (i.e mis-dial)
• Busy user (and CUCM is not configured for next routing on user busy)
• Out of bandwidth (possibly, nay likely CAC related)
• Gateway fails to respond to the setup request from CUCM

I would pull some CDR records and correlate these calls; CAC is probably denying calls after a certain amount of bandwidth is consumed (i.e look at your locations in CUCM ... etc).

Thanks,

Ryan

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