Hello,  anyone knows how to configure the automatic fallback on a cucm cluster? so when the first call agent of a CM Group becomes available again the phone re-register with it again automatically without administrator intervention.  thanks if anyone...

have anyone configure cucm in High Availability (2 servers) and IM & presence (2 servers) in high availability through DNS SRV in the two sides, please explain me how and how do you configure dns srv on dns and the sip trunk on cucm and presence gate...

hello, can someone help me on this, I have a deployment where some users are going to have two device with enhaced plus licenses, so 1 ip phone (different models) and Jabber on soft phone mode, and another users are going to have 1 phone and jabber o...

                   Hello, I have a customer with CUCM Business edition 6000 BE6K, the have 200 users with CUWL business edition, the have bought it with UCSS but they havent renew it in the 30 days available for renewal, so now they want to upgrade f...

good morning,we are cisco premier partner, we have a cucm 6.1 since 3 ayers ago, we didn´t buy UCSS when we bought it, now we want to upgrade to cucm 8.5, so we bought UC NFR KIT, but now I´m facing with we cannot use the UC NFR 8 kit to migrate from...