Hello Team, We've configured a CUC integrated with CUCM both of them versions are 12.5, when a user A call user B and user B is busy,User A hears a message with "Hello, to leave a message press one ...etc" but he is not hearing the message "User B is...

Hello Experts ,  We have an issue in UCCE 10.5 that some agents showing in reports that they made a lot of internal calls while after our test , we found that even you open and close the line reflect as an internal call , we need to check the accurat...