From below link i can get idea about System PG but not gateway PG (ACMI PG). Can anyone explain?   https://supportforums.cisco.com/t5/collaboration-voice-and-video/cisco-ucce-parent-child-deployment-model/ta-p/3141203  

Cisco Voice gateway C3900  Version 15.0(1r)M8  gives following error. PLATFORM-2-SM_ERROR: The SM Slot number 0 does not exist on the IO Controller PLATFORM-2-SM_ERROR: The SM Slot number 0 does not exist on the IO Controller It's due to bug -  htt...

BBU unit learning cycle take normally 48+hrs. because BBU learn cycle can take a while since it is discharging the battery first and charging it again.

Usually the SWAP Partition is being used when the RAM on server is being exhausted completely and we use SWAP partition to carry out the functions.  We cannot free up the SWAP partition when the Call Manager / Cisco Unity / Cisco Unity connection / ...

Email alert configuration via RTMT for Cisco unity connection 1.DBReplicationfailure Open RTMT > Alert Central > System > Right Click on ‘DBReplicationfailure’ and click on ‘Set Alert/Properties’ to configure Email alert  2. EvtERDisconnected Open ...