10 Posts

CUCM IM change postgres external database

February 24, 2016 0 Comments cisco, cucm, call-manager

If you need to change the postgres external database for CUCM, there a few steps to follow:

  1. Change database server name
    a. External server setup -> External databases
  2. Unassign servers and disable persistent chat
    a. Messaging -> Group Chat and Persistent Chat
    b. Change "Persistant Chat Database Assigntment" to unsassigned
    c. Uncheck "Enable Persistant Chat&

Cisco CUCM/CUBE SIP Troubleshooting

July 21, 2015 0 Comments cisco, call-manager, cucm, voip

Some quick notes on troubleshooting tools in a Cisco SIP Call Manager environment:

Commands on the CUBE router:

show call active voice compact
debug ccsip messages
debug voip ccapi inout

Article on understanding SIP traces:

SIP call flows and troubleshooting:

Using CUCM RTMT Session Trace:

Singlewire Informacast Upgrade

May 26, 2015 0 Comments singlewire, call-manager, cucm

Upgraded from Informacast 9.0.2 to 9.1.1.  Upgrade was very simple and went smoothly following these instructions:


  1. If you are doing this upgrade from a Windows client, download Putty PSCP and put it in the

CUCM LDAP Sync Based on User Group

January 09, 2015 0 Comments call-manager, cisco, voip

If you don't want CUCM to sync your entire LDAP directory, you will need to use a LDAP Custom Filter.  This filter can be used to sync based on AD Security Group. The filter is:

(&(objectclass=user)(!(objectclass=Computer))(!(UserAccountControl:1.2.840.113556.1.4.803:=2)) (memberOf=CN=Demo Security Group,OU=SecondOU,OU=FirstOU,DC=DomainName,

Cisco IM&P Chat Room Postgres Server

December 31, 2014 0 Comments call-manager, cisco, voip

If you want to implement chat rooms/persistent chat or chat logging with Cisco IM and Presence, you need to setup an external postgres server.  The setup is relatively easy (I used a ubuntu server), and can be found here.

The problem I came across was that while testing, I created several chat rooms, then deleted the users who owned