In Cuc version 15 When playing greetings on i encounter "audio cannot be loaded either because of network failure or format not supported" When uploading the wav file i also encounter "Unknown error please contact your system administator"please kind...

there is no CUBE between the telco and CUCM Could you provide some guidance on how to resolve this issue?* this call flow work on another telco.*Works for landline calls but not for mobile calls   

 We replace be6k disk because we found to be defective. the status po new replacement unconfigure good. Do we need to do configuration for new replacement?

in my cisco ip phone 8845  When I press the soft keypad on a Cisco IP phone, the wrong input appears on the screen? example when i press button 1 in and screen appears 2. how to fix it?