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UC2.2, all outgoing call failed

Publication Date:  2015-01-31 Views:  83 Downloads:  0
Issue Description

Comtomer report that all out going call failed, and got the prompt message"Bill pool exceeds the threshold of the bill pool"

Alarm Information
Bill pool exceeds the threshold of the bill pool
Handling Process

1. As the prompt message indicated that"Bill pool exceeds the threshold of the bill pool", so we suspect that U1960 gateway bill pool is full, use command show billpool state, 
It's list the pool used 435000, out of the pool alarm threshold,

[%eSpace U1960(config)]#show billpool state

Bill Server Pool State:

     Pool Used             :435000
     Pool Max              :480000
     Pool Alarm            :432000
     Bill Full Alarm State :NOT FULL
====  Command executed success !  ====
2. Use command show billserver state, and found U1960 lost connection with billserver.
[%eSpace U1960(config)]#show billserver state

Status     PrimaryServer StandbyServer InUsingServer ServerPort
---------- ------------- ------------- ------------- ----------
Disconnect 10.11.1.1     --            10.11.1.1     2020

====  Command executed success !  ====

3. Take out the conculsion : The outgoing call failed caused by U19 lost connection to billserver, and bill could not export to billserver normally, All the bill stored in U19 flash, and it's exceed the bill pool threshold, and outcall will be failed
4. Use command config creatbill switch off,  stop U19 generate new bill , and outgoing call restored.

[%eSpace U1960(config)]#config createbill switch off

====  Command executed success !  ====

5. Ping billser IP from U19, the network connection is well

6. Restart Bill server service from BMU server, but the billserver still disconnect with U19.

7. Suspect BMU windows default Firewall block the port for U19 connection, the billserver service port is TCP 2020.

8. Add new FW resule at BMU server side, open TCP 2020 port , U19 connect back to billserver, and export the bill from U19 manually, few seconds, U19 bill pool deleted the bill wihich exported to billserver automatically.

Root Cause
U19 lost connection to billserver, and bill could not export to billserver normally, All the bill stored in U19 flash, and it's exceed the bill pool threshold, and outcall will be failed
Solution

Tempory solution: stop U19 generate new bill.

[%eSpace U1960(config)]#config createbill switch off

====  Command executed success !  ====

Longter soluiton: Restore connection between U19 and billserver

 

Suggestions

for conneciton failed, if network connection is OK, OS FW rule checking is usefull for troubleshooting

END