The phone you saw was the:
Vtech 5.8GHz 3-Handset
Cordless Phone System w/ Digital Answering System.
Kmart item #018W795090110001
Mfr. model #CS5121-3 / 80-6229-00
A picture of it is available on kmart's website
I work in the electronics department at a kmart. I saw them on the shelf last week and came in this week and they have been removed. Now I know why they moved them.