Cisco Unity Express

what call manager integration and cisco unity means??

please I any one knows about cisco call manager intergation what its mean and cisco unity (general information)?  

Cisco Unity Switch Data

Is there a way to pull the phone data off of a Cisco Unity Switch without a specific Unity server?

Cisco Unity Express Voice Mail/Auto Attendant

Hello, I am new to this call manager. Is there any way to get help for Cisco Unity Express Voice Mail/Auto Attendant I have problem when I call office connecting to Cisco Unity Express Voice Mail/Auto Attendant playing welcome greeting during this time if enter extension number it’s not...