Hi, I am receiving these errors very often on N7K switches. What are these related to? Is there any guide to check the details of these errors? %ARP-4-SYSLOG_SL_MSG_WARNING: IP-5-INVALID_NOTIFY: message repeated 8 times in last 10 sec%ARP-5-INVALID_N...

call transfer between ip phone extensions failing in the same CUCM cluster ver: 10.5.1. when tried pressing transfer call gets dropped and phone resets. Restarted both PUB and SUB. Executed command utils diagnose test and it gave an error: test - tom...

CUCM PUB,SUB and IMP PUB are 3 servers in cluster. Dbrelication on PUB and SUB is ok. Can not login to IMP PUB, throws an error "database communication". Restarted PUB and then SUB and then IMP. Services on IMP took long time around 3 hours to become...

To overcome toll fraud vulnerability on a 3925 VG with IOS (c3900-universalk9-mz.SPA.150-1.M4.bin) was upgraded to (c3900-universalk9-mz.SPA.154-3.M3.bin). After upgrade intermittent one way audio issue started coming. Then upgraded to same version w...

I want to upgrade CUCM 9.x to 11.x. Will this be called upgrade or migration? Kindly let me know do I need to have new license or existing licence could be migrated. If yes, how to do it? I do have valid subscription until 2017.