Hello, We are facing some issues to renew expired certificates in our Exp-C and Exp-E.We sucessfully renewed the certificates several times in the past without any issues. Our security team recentely changed the Certificate Issuer role to another hos...

 Hi all, We acquired some new DX650 Phones and configured on CUCM but outgoing calls are not working and calls seems to timeout. All other 7821 IP Phone with the same config are able to place outgoing calls.    Topology: CUCM-SIP Trunk-CUBE-SIP Trunk...

Hi All, We are configuring our new SIP Trunk to a Provider. Everything is configure and external calls were working fine but at some point external calls are getting fast busy and only incoming calls are working.                           Topology: C...

Hi all, We are configuring a new SIP Trunk to our new ITSP . Topology looks like:  CUCM---SIP TRUNK - CUBE - SIP TRUNK - ITSP Debug shows the error SIP/2.0 404 Not Found. Any ideas what can be causing this issue. Please note CUBE show run a...