Pretty dated response to previous queries, but below link is pretty handy for Certificate Re-generation process for CUCM.   https://www.cisco.com/c/en/us/support/docs/unified-communications/unified-communications-manager-callmanager/214231-certificate-regeneration-process-for-cis.html#anc26   Anyone still visiting this link - should be able to address the certificate re-generation through the same.   HTH. Abhishek Singh ... View more

This document kills it :) - absolutely covers all the aspects in terms of isolating it. Regards, Abhishek Singh ... View more

Well Written & Concise. Very Helpful. +5 ... View more

Gem of  a doc ! High 5 :)  ... View more

This post seems dated - however did you go through the below mentioned document which points to SIP - Media on Hold Call Flow.   http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/6x/uc6_1/moh.html#wp1044047 ... View more

Nice Doc.   This should really speed up the initial troubleshooting on the issue which probably is the most critical time-frame.      ... View more

Hello ,   The functionality that you want to deploy in the small business environment can be successfully be achieved by "shared-line" feature of the CUCM. Multiple Phones can utilize // make calls through the same dn / shared lines effectively.Please find the document to understand this feature and the configuration accordingly. SIGNSTACWESTRYDE1 http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_0_2/ccmsys/accm-802-cm/a03dn.html#wp1100362 ... View more

Very Nice and Descriptive Document. +5 ... View more

Hello Rosa, Thanks for the answer.  Trying setting static power in the port/s.  Please plug the powered end-point/s -- post the command "sh power inline". Regards, Abhishek Singh       ... View more

Hello Rosa, Hope you are doing well.  Like everyone -- would request you to elaborate on the environment and the updates? # Is this a new setup? # What are the phone models involved -- are they all 79xx /8xxx or what type of models? # Confirm the firmware version.  # Was this working fine before ? # Is the issue related to one particular site or multiple sites ? # IoS version on the Switch / CUCM version.  =================================================== Waiting for your response on the issue . Regards, Abhishek Singh ... View more

The video does not seem to work   -- Greyed out window. ... View more

Awesome ... View more

Is there a recording link for the training -- I unfortunately missed the session due to unforseen commitments ... View more

Also check if the call manager admin service is in started mode or not in addition to tomcat . Whatever level you reach getting better never stops -- Sachin Tendulkar ... View more