CDR variable

[regraxpto]

Can anyone tell me if CDR keeps track of the calls that never get answered and more important, in these calls: how much time the phone rang before the call was disconnected?

[mchin345]

This URL should help you:

http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_administration_guide_chapter09186a008011b4ac.html