Hi  I have been looking at issues we have seen with the calling party name being exposed in the SIP headers. I have only seen the issue when making calls between CUCM clusters over the PSTN. The calling party name is displayed in Jabber on the called...

Hi Hoping this is the right place for this question.  I'm working to replace some older 3900 series routers that are acting as CUBE's in a customer CUCM setup.  The existing CUBE's used HSRP as the HA method, installed before my time but i believe us...

Hi All I'm due to complete a upgrade of a small cluster in a couple of weeks. Looking for some advise on the new cluster upgrade feature. Specifically wanting to know how much user input is needed once the process is start.   Cluster consists the fol...

Hi Reaching out for some help. I'm based in the UK and have an issue with a customer were the P-asserted Identity appear to be missing from the SIP header.  I'm trying and failing to find out where this needs to be set in CUCM or is it a CUBE config....